diff --git a/gfx/thebes/GLContextProviderGLX.cpp b/gfx/thebes/GLContextProviderGLX.cpp
index 7df1df545e78..52bafed42f3b 100644
--- a/gfx/thebes/GLContextProviderGLX.cpp
+++ b/gfx/thebes/GLContextProviderGLX.cpp
@@ -254,12 +254,14 @@ public:
 
         GLXContext context;
         nsRefPtr<GLContextGLX> glContext;
-        bool error = false;
+        bool error;
 
         ScopedXErrorHandler xErrorHandler;
 
 TRY_AGAIN_NO_SHARING:
 
+        error = false;
+
         context = sGLXLibrary.xCreateNewContext(display,
                                                 cfg,
                                                 GLX_RGBA_TYPE,