diff --git a/code/nel/tools/3d/object_viewer_qt/src/callback.h b/code/nel/tools/3d/object_viewer_qt/src/callback.h
index eba33d564..822b1ee99 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/callback.h
+++ b/code/nel/tools/3d/object_viewer_qt/src/callback.h
@@ -24,7 +24,13 @@
 // STL includes
 
 // NeL includes
-#include <nel/misc/debug.h>
+#ifdef NL_COMP_GCC
+// temporary fix for GCC 4.4 segmentation fault
+#	undef nlassert
+#	define nlassert(x)
+#else
+#	include <nel/misc/debug.h>
+#endif // NL_COMP_GCC
 
 // Project includes