diff --git a/src/insets/RenderPreview.cpp b/src/insets/RenderPreview.cpp
index 91c9a5fab7..90bff6acb4 100644
--- a/src/insets/RenderPreview.cpp
+++ b/src/insets/RenderPreview.cpp
@@ -62,6 +62,13 @@ RenderPreview::RenderPreview(RenderPreview const & other,
 {}
 
 
+RenderPreview::~RenderPreview()
+{
+	if (ploader_connection_.connected())
+		ploader_connection_.disconnect();
+}
+
+
 auto_ptr<RenderBase> RenderPreview::clone(Inset const * inset) const
 {
 	return auto_ptr<RenderBase>(new RenderPreview(*this, inset));
diff --git a/src/insets/RenderPreview.h b/src/insets/RenderPreview.h
index e46911bd23..e331ea319b 100644
--- a/src/insets/RenderPreview.h
+++ b/src/insets/RenderPreview.h
@@ -49,6 +49,7 @@ public:
 
 	RenderPreview(Inset const *);
 	RenderPreview(RenderPreview const &, Inset const *);
+	~RenderPreview();
 	std::auto_ptr<RenderBase> clone(Inset const *) const;
 
 	/// Compute the size of the object, returned in dim
diff --git a/status.15x b/status.15x
index 8939527bb1..9e1dc43f0a 100644
--- a/status.15x
+++ b/status.15x
@@ -70,6 +70,9 @@ What's new
 - Fix crash when a user removes the underlying figure of a graphic inset
   that has been copied and pasted (Bug 4108).
 
+- Fix crash when a user removes a formula when its preview is being generated.
+  (gcc 3 only).
+
 * DOCUMENTATION
 
 - Embedded Objects manual: section about longtable alignment added