diff --git a/src/BufferParams.cpp b/src/BufferParams.cpp
index 404c9a2cac..e672525ce8 100644
--- a/src/BufferParams.cpp
+++ b/src/BufferParams.cpp
@@ -2084,10 +2084,15 @@ void BufferParams::makeDocumentClass()
 }
 
 
-bool BufferParams::moduleCanBeAdded(string const & modName) const
+bool BufferParams::layoutModuleCanBeAdded(string const & modName) const
 {
-	return cite_engine_.moduleCanBeAdded(modName, baseClass()) &&
-		layout_modules_.moduleCanBeAdded(modName, baseClass());
+	return layout_modules_.moduleCanBeAdded(modName, baseClass());
+}
+
+
+bool BufferParams::citationModuleCanBeAdded(string const & modName) const
+{
+	return cite_engine_.moduleCanBeAdded(modName, baseClass());
 }
 
 
diff --git a/src/BufferParams.h b/src/BufferParams.h
index 98f79a57fb..80025abff1 100644
--- a/src/BufferParams.h
+++ b/src/BufferParams.h
@@ -146,13 +146,15 @@ public:
 			{ return removed_modules_; }
 	///
 	/// Add a module to the list of modules in use. This checks only that the
-	/// module is not already in the list, so use moduleIsCompatible first if
-	/// you want to check for compatibility.
+	/// module is not already in the list, so use layoutModuleCanBeAdeed first 
+	/// if you want to check for compatibility.
 	/// \return true if module was successfully added.
 	bool addLayoutModule(std::string const & modName);
 	/// checks to make sure module's requriements are satisfied, that it does
 	/// not conflict with already-present modules, isn't already loaded, etc.
-	bool moduleCanBeAdded(std::string const & modName) const;
+	bool layoutModuleCanBeAdded(std::string const & modName) const;
+	/// same, but for citaton modules.
+	bool citationModuleCanBeAdded(std::string const & modName) const;
 	///
 	void addRemovedModule(std::string const & modName)
 			{ removed_modules_.push_back(modName); }
diff --git a/src/BufferView.cpp b/src/BufferView.cpp
index 31c95cf764..fd26a81709 100644
--- a/src/BufferView.cpp
+++ b/src/BufferView.cpp
@@ -1274,7 +1274,7 @@ void BufferView::dispatch(FuncRequest const & cmd, DispatchResult & dr)
 
 	case LFUN_LAYOUT_MODULE_ADD: {
 		BufferParams const & params = buffer_.params();
-		if (!params.moduleCanBeAdded(argument)) {
+		if (!params.layoutModuleCanBeAdded(argument)) {
 			LYXERR0("Module `" << argument << 
 				"' cannot be added due to failed requirements or "
 				"conflicts with installed modules.");
diff --git a/src/frontends/qt4/GuiDocument.cpp b/src/frontends/qt4/GuiDocument.cpp
index 73ece2e62f..dbdf691ba1 100644
--- a/src/frontends/qt4/GuiDocument.cpp
+++ b/src/frontends/qt4/GuiDocument.cpp
@@ -341,7 +341,7 @@ void ModuleSelectionManager::updateAddPB()
 	string const modname = getAvailableModel()->getIDString(idx.row());
 
 	bool const enable =
-		container_->params().moduleCanBeAdded(modname);
+		container_->params().layoutModuleCanBeAdded(modname);
 	addPB->setEnabled(enable);
 }