diff --git a/src/frontends/qt4/FloatPlacement.cpp b/src/frontends/qt4/FloatPlacement.cpp
index d8fc52bc95..1f0e6e9709 100644
--- a/src/frontends/qt4/FloatPlacement.cpp
+++ b/src/frontends/qt4/FloatPlacement.cpp
@@ -222,7 +222,7 @@ void FloatPlacement::changedSlot()
 }
 
 
-void FloatPlacement::checkAllowed()
+void FloatPlacement::checkAllowed() const
 {
 	bool const defaults = defaultsCB->isChecked();
 	bool const ignore = topCB->isChecked() || bottomCB->isChecked()
@@ -254,11 +254,14 @@ void FloatPlacement::checkAllowed()
 
 bool FloatPlacement::checkWidgets(bool readonly) const
 {
-	floatTypeCO->setEnabled(!readonly);
-	defaultsCB->setEnabled(!readonly);
-	options->setEnabled(!readonly);
-	spanCB->setEnabled(!readonly);
-	sidewaysCB->setEnabled(!readonly);
+	if (readonly) {
+		floatTypeCO->setEnabled(false);
+		defaultsCB->setEnabled(false);
+		options->setEnabled(false);
+		spanCB->setEnabled(false);
+		sidewaysCB->setEnabled(false);
+	} else
+		checkAllowed();
 
 	return InsetParamsWidget::checkWidgets();
 }
diff --git a/src/frontends/qt4/FloatPlacement.h b/src/frontends/qt4/FloatPlacement.h
index 5aeecc2ded..a720a4e20d 100644
--- a/src/frontends/qt4/FloatPlacement.h
+++ b/src/frontends/qt4/FloatPlacement.h
@@ -54,7 +54,7 @@ private Q_SLOTS:
 
 private:
 	///
-	void checkAllowed();
+	void checkAllowed() const;
 	///
 	std::string const get(bool & wide, bool & sideways) const;
 	///
diff --git a/src/frontends/qt4/GuiHSpace.cpp b/src/frontends/qt4/GuiHSpace.cpp
index a85037a181..93de4bb695 100644
--- a/src/frontends/qt4/GuiHSpace.cpp
+++ b/src/frontends/qt4/GuiHSpace.cpp
@@ -99,7 +99,7 @@ void GuiHSpace::changedSlot()
 }
 
 
-void GuiHSpace::enableWidgets()
+void GuiHSpace::enableWidgets() const
 {
 	QString const selection = spacingCO->itemData(spacingCO->currentIndex()).toString();
 	bool const custom = selection == "custom";
@@ -301,11 +301,17 @@ docstring GuiHSpace::dialogToParams() const
 
 bool GuiHSpace::checkWidgets(bool readonly) const
 {
-	spacingCO->setEnabled(!readonly);
-	unitCO->setEnabled(!readonly);
-	fillPatternCO->setEnabled(!readonly);
-	keepCB->setEnabled(!readonly);
 	valueLE->setReadOnly(readonly);
+
+	if (readonly) {
+		spacingCO->setEnabled(false);
+		unitCO->setEnabled(false);
+		fillPatternCO->setEnabled(false);
+		keepCB->setEnabled(false);
+		valueLE->setEnabled(false);
+	} else
+		enableWidgets();
+
 	if (!InsetParamsWidget::checkWidgets())
 		return false;
 	return spacingCO->itemData(spacingCO->currentIndex()).toString() != "custom"
diff --git a/src/frontends/qt4/GuiHSpace.h b/src/frontends/qt4/GuiHSpace.h
index cc1a80f52c..5b09d7a5d0 100644
--- a/src/frontends/qt4/GuiHSpace.h
+++ b/src/frontends/qt4/GuiHSpace.h
@@ -29,7 +29,7 @@ private Q_SLOTS:
 	///
 	void changedSlot();
 	///
-	void enableWidgets();
+	void enableWidgets() const;
 
 private:
 	/// \name InsetParamsWidget inherited methods
diff --git a/src/frontends/qt4/GuiPrintNomencl.cpp b/src/frontends/qt4/GuiPrintNomencl.cpp
index 93e00e9b4c..a70a9e091c 100644
--- a/src/frontends/qt4/GuiPrintNomencl.cpp
+++ b/src/frontends/qt4/GuiPrintNomencl.cpp
@@ -53,13 +53,8 @@ GuiPrintNomencl::GuiPrintNomencl(QWidget * parent) : InsetParamsWidget(parent)
 }
 
 
-void GuiPrintNomencl::on_setWidthCO_activated(int i)
+void GuiPrintNomencl::on_setWidthCO_activated(int /*i*/)
 {
-	bool const custom =
-		(setWidthCO->itemData(i).toString() == "custom");
-	valueLE->setEnabled(custom);
-	unitLC->setEnabled(custom);
-	valueLA->setEnabled(custom);
 	changed();
 }
 
@@ -68,15 +63,9 @@ void GuiPrintNomencl::paramsToDialog(InsetCommandParams const & params)
 {
 	setWidthCO->setCurrentIndex(
 		setWidthCO->findData(toqstr(params["set_width"])));
-	
+
 	lengthToWidgets(valueLE, unitLC,
 			params["width"], Length::defaultUnit());
-
-	bool const custom =
-		(setWidthCO->itemData(setWidthCO->currentIndex()).toString() == "custom");
-	valueLE->setEnabled(custom);
-	unitLC->setEnabled(custom);
-	valueLA->setEnabled(custom);
 }
 
 
@@ -104,8 +93,18 @@ docstring GuiPrintNomencl::dialogToParams() const
 bool GuiPrintNomencl::checkWidgets(bool readonly) const
 {
 	valueLE->setReadOnly(readonly);
-	setWidthCO->setEnabled(!readonly);
-	unitLC->setEnabled(!readonly);
+	if (readonly) {
+		setWidthCO->setEnabled(false);
+		unitLC->setEnabled(false);
+		valueLA->setEnabled(false);
+	} else {
+		bool const custom =
+			(setWidthCO->itemData(setWidthCO->currentIndex()).toString() == "custom");
+		valueLE->setEnabled(custom);
+		unitLC->setEnabled(custom);
+		valueLA->setEnabled(custom);
+	}
+
 	if (!InsetParamsWidget::checkWidgets())
 		return false;
 	return setWidthCO->itemData(
diff --git a/src/frontends/qt4/GuiTabular.cpp b/src/frontends/qt4/GuiTabular.cpp
index 55c3edab26..8f1118bc23 100644
--- a/src/frontends/qt4/GuiTabular.cpp
+++ b/src/frontends/qt4/GuiTabular.cpp
@@ -199,7 +199,7 @@ void GuiTabular::on_interlinespaceCO_activated(int index)
 }
 
 
-void GuiTabular::checkEnabled()
+void GuiTabular::enableWidgets() const
 {
 	// if there is a LaTeX argument, the width and alignment will be overwritten
 	// therefore disable them in this case
@@ -320,7 +320,12 @@ void GuiTabular::checkEnabled()
 	multirowOffsetLA->setEnabled(enable_mr);
 	multirowOffsetED->setEnabled(enable_mr);
 	multirowOffsetUnitLC->setEnabled(enable_mr);
+}
 
+
+void GuiTabular::checkEnabled()
+{
+	enableWidgets();
 	changed();
 }
 
@@ -1016,37 +1021,41 @@ bool GuiTabular::checkWidgets(bool readonly) const
 {
 	tabularRowED->setReadOnly(readonly);
 	tabularColumnED->setReadOnly(readonly);
-	multicolumnCB->setEnabled(!readonly);
-	multirowCB->setEnabled(!readonly);
-	specialAlignmentED->setReadOnly(readonly);
-	rotateCellCB->setEnabled(!readonly);
-	rotateCellAngleSB->setEnabled(!readonly);
-	rotateTabularCB->setEnabled(!readonly);
-	rotateTabularAngleSB->setEnabled(!readonly);
-	longTabularCB->setEnabled(!readonly);
-	borders->setEnabled(!readonly);
 	tabularWidthED->setReadOnly(readonly);
-	tabularWidthUnitLC->setEnabled(!readonly);
+	specialAlignmentED->setReadOnly(readonly);
 	columnWidthED->setReadOnly(readonly);
-	columnWidthUnitLC->setEnabled(!readonly);
 	multirowOffsetED->setReadOnly(readonly);
-	multirowOffsetUnitLC->setEnabled(!readonly);
-	setBordersGB->setEnabled(!readonly);
-	allBordersGB->setEnabled(!readonly);
-	borderStyleGB->setEnabled(!readonly);
-	booktabsRB->setEnabled(!readonly);
-	topspaceCO->setEnabled(!readonly);
-	topspaceUnitLC->setEnabled(!readonly);
-	bottomspaceCO->setEnabled(!readonly);
-	bottomspaceUnitLC->setEnabled(!readonly);
-	interlinespaceCO->setEnabled(!readonly);
-	interlinespaceUnitLC->setEnabled(!readonly);
-	hAlignCO->setEnabled(!readonly);
 	decimalPointED->setReadOnly(readonly);
-	vAlignCO->setEnabled(!readonly);
-	TableAlignCO->setEnabled(!readonly);
-	longtableGB->setEnabled(!readonly);
-	alignmentGB->setEnabled(!readonly);
+
+	if (readonly) {
+		multicolumnCB->setEnabled(false);
+		multirowCB->setEnabled(false);
+		rotateCellCB->setEnabled(false);
+		rotateCellAngleSB->setEnabled(false);
+		rotateTabularCB->setEnabled(false);
+		rotateTabularAngleSB->setEnabled(false);
+		longTabularCB->setEnabled(false);
+		borders->setEnabled(false);
+		tabularWidthUnitLC->setEnabled(false);
+		columnWidthUnitLC->setEnabled(false);
+		multirowOffsetUnitLC->setEnabled(false);
+		setBordersGB->setEnabled(false);
+		allBordersGB->setEnabled(false);
+		borderStyleGB->setEnabled(false);
+		booktabsRB->setEnabled(false);
+		topspaceCO->setEnabled(false);
+		topspaceUnitLC->setEnabled(false);
+		bottomspaceCO->setEnabled(false);
+		bottomspaceUnitLC->setEnabled(false);
+		interlinespaceCO->setEnabled(false);
+		interlinespaceUnitLC->setEnabled(false);
+		hAlignCO->setEnabled(false);
+		vAlignCO->setEnabled(false);
+		TableAlignCO->setEnabled(false);
+		longtableGB->setEnabled(false);
+		alignmentGB->setEnabled(false);
+	} else
+		enableWidgets();
 
 	return InsetParamsWidget::checkWidgets();
 }
diff --git a/src/frontends/qt4/GuiTabular.h b/src/frontends/qt4/GuiTabular.h
index a354a4a220..c19e066ddb 100644
--- a/src/frontends/qt4/GuiTabular.h
+++ b/src/frontends/qt4/GuiTabular.h
@@ -47,6 +47,8 @@ private:
 	bool checkWidgets(bool readonly) const;
 	//@}
 
+	///
+	void enableWidgets() const;
 	///
 	void setHAlign(std::string & param_str) const;
 	///
diff --git a/src/frontends/qt4/GuiVSpace.cpp b/src/frontends/qt4/GuiVSpace.cpp
index 3756b15560..4ac4c69b82 100644
--- a/src/frontends/qt4/GuiVSpace.cpp
+++ b/src/frontends/qt4/GuiVSpace.cpp
@@ -150,10 +150,18 @@ void GuiVSpace::paramsToDialog(Inset const * inset)
 bool GuiVSpace::checkWidgets(bool readonly) const
 {
 	valueLE->setReadOnly(readonly);
-	spacingCO->setEnabled(!readonly);
-	unitCO->setEnabled(!readonly);
 	keepCB->setEnabled(!readonly);
 
+	if (readonly) {
+		spacingCO->setEnabled(false);
+		unitCO->setEnabled(false);
+	} else {
+		bool const enable = (spacingCO->currentIndex() == 5);
+		valueLE->setEnabled(enable);
+		valueL->setEnabled(enable);
+		unitCO->setEnabled(enable);
+	}
+
 	return InsetParamsWidget::checkWidgets();
 }