diff --git a/src/widgets/kernel/qwidgetbackingstore.cpp b/src/widgets/kernel/qwidgetbackingstore.cpp
index f8b8ec5ea3..485cf82078 100644
--- a/src/widgets/kernel/qwidgetbackingstore.cpp
+++ b/src/widgets/kernel/qwidgetbackingstore.cpp
@@ -762,6 +762,7 @@ QWidgetBackingStore::~QWidgetBackingStore()
         resetWidget(dirtyRenderToTextureWidgets.at(c));
 
 #ifndef QT_NO_OPENGL
+    delete widgetTextures;
     delete dirtyOnScreenWidgets;
 #endif
     dirtyOnScreenWidgets = 0;