diff --git a/extras/src/test/java/PFrameTest.java b/extras/src/test/java/PFrameTest.java
index 49570d0..22f4a0c 100644
--- a/extras/src/test/java/PFrameTest.java
+++ b/extras/src/test/java/PFrameTest.java
@@ -21,7 +21,7 @@
             }
         });
         Rectangle bounds = frame.getCanvas().getBounds();
-        assertTrue("Canvas width should be inset by frame decoration size", bounds.getWidth() < TEST_WIDTH);
-        assertTrue("Canvas height should be inset by frame decoration size", bounds.getHeight() < TEST_HEIGHT);
+        assertEquals("Canvas width should match width of content pane", frame.getContentPane().getWidth(), bounds.width);
+        assertEquals("Canvas height should match height of content pane", frame.getContentPane().getHeight(), bounds.height);
     }
 }