diff --git a/common/common-image/src/test/java/com/twelvemonkeys/image/ImageUtilTestCase.java b/common/common-image/src/test/java/com/twelvemonkeys/image/ImageUtilTestCase.java
index fbd9a232..0fbcdcaf 100755
--- a/common/common-image/src/test/java/com/twelvemonkeys/image/ImageUtilTestCase.java
+++ b/common/common-image/src/test/java/com/twelvemonkeys/image/ImageUtilTestCase.java
@@ -439,7 +439,11 @@ public class ImageUtilTestCase extends TestCase {
     }
 
     private void showEm(final BufferedImage pOriginal, final BufferedImage pNotSharpened, final BufferedImage pSharpened, final BufferedImage pSharpenedDefault, final BufferedImage pSharpenedMore, final String pTitle) {
-        if (pOriginal != null) {
+        if (pOriginal == null) {
+            return;
+        }
+
+        if (GraphicsEnvironment.isHeadless()) {
             return;
         }
 
@@ -571,4 +575,4 @@ public class ImageUtilTestCase extends TestCase {
         assertNotNull("Image was null", image);
         assertTrue(image.getColorModel() instanceof IndexColorModel);
     }
-}
\ No newline at end of file
+}