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-rw-r--r--src/plugins/platforms/cocoa/qnsview.mm2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/plugins/platforms/cocoa/qnsview.mm b/src/plugins/platforms/cocoa/qnsview.mm
index d72664f0a0..73f8d276a8 100644
--- a/src/plugins/platforms/cocoa/qnsview.mm
+++ b/src/plugins/platforms/cocoa/qnsview.mm
@@ -594,6 +594,8 @@ static NSString *_q_NSWindowDidChangeOcclusionStateNotification = nil;
CGImageRelease(subMask);
[self invalidateWindowShadowIfNeeded];
+
+ m_backingStore = 0;
}
- (BOOL) isFlipped