diff --git a/tools/designer/editor/editor.pro b/tools/designer/editor/editor.pro
index 51bec81..1cc5378 100644
--- a/tools/designer/editor/editor.pro
+++ b/tools/designer/editor/editor.pro
@@ -36,5 +36,5 @@ INSTALLS += target
 
 unix {
 	QMAKE_CFLAGS += $$QMAKE_CFLAGS_SHLIB
-	QMAKE_CXXFLAGS += $$QMAKE_CXXFLAGS_SHLIB
+	QMAKE_CXXFLAGS += $$QMAKE_CXXFLAGS_SHLIB -fvisibility=default
 }