diff --git a/build/linux/platform_specific_code/juce_linux_Windowing.cpp b/build/linux/platform_specific_code/juce_linux_Windowing.cpp
index c40fef9381..4bacc3eb48 100644
--- a/build/linux/platform_specific_code/juce_linux_Windowing.cpp
+++ b/build/linux/platform_specific_code/juce_linux_Windowing.cpp
@@ -1112,6 +1112,8 @@ public:
                          XA_CARDINAL, 32, PropModeReplace, 
                          (unsigned char*) data, dataSize);
 
+        XSync (display, False);
+
         juce_free (data);
     }