diff --git a/tests/org.eclipse.swt.tests/JUnit Tests/org/eclipse/swt/tests/junit/Test_org_eclipse_swt_graphics_GC.java b/tests/org.eclipse.swt.tests/JUnit Tests/org/eclipse/swt/tests/junit/Test_org_eclipse_swt_graphics_GC.java
index a1a8a6d7f5..7b0233fad9 100644
--- a/tests/org.eclipse.swt.tests/JUnit Tests/org/eclipse/swt/tests/junit/Test_org_eclipse_swt_graphics_GC.java	
+++ b/tests/org.eclipse.swt.tests/JUnit Tests/org/eclipse/swt/tests/junit/Test_org_eclipse_swt_graphics_GC.java	
@@ -279,6 +279,8 @@ public boolean isAutoScalable() {
     });
 
     shell.open();
+    while (display.readAndDispatch()) {
+    }
     Image target = new Image(display, canvasWidth, canvasHeight);
     GC gcCopy = new GC(canvas);
     gcCopy.copyArea(target, 0, 0);