diff --git a/src/frontends/qt4/GuiView.cpp b/src/frontends/qt4/GuiView.cpp
index 977395d1c9..548381b5f3 100644
--- a/src/frontends/qt4/GuiView.cpp
+++ b/src/frontends/qt4/GuiView.cpp
@@ -2819,7 +2819,7 @@ bool GuiView::closeWorkArea(GuiWorkArea * wa, bool close_buffer)
 
 	Buffer & buf = wa->bufferView().buffer();
 
-	if (close_buffer && GuiViewPrivate::busyBuffers.contains(&buf)) {
+	if (GuiViewPrivate::busyBuffers.contains(&buf)) {
 		Alert::warning(_("Close document"), 
 			_("Document could not be closed because it is being processed by LyX."));
 		return false;