diff --git a/src/main/java/com/google/devtools/build/lib/skyframe/InvalidGlobPatternException.java b/src/main/java/com/google/devtools/build/lib/skyframe/InvalidGlobPatternException.java
index 852c2fbb3abc8b..9a3eedaf0995d0 100644
--- a/src/main/java/com/google/devtools/build/lib/skyframe/InvalidGlobPatternException.java
+++ b/src/main/java/com/google/devtools/build/lib/skyframe/InvalidGlobPatternException.java
@@ -26,7 +26,7 @@ public final class InvalidGlobPatternException extends Exception {
   }
 
   @Override
-  public String toString() {
-    return String.format("invalid glob pattern '%s': %s", pattern, getMessage());
+  public String getMessage() {
+    return String.format("invalid glob pattern '%s': %s", pattern, super.getMessage());
   }
 }
diff --git a/src/test/java/com/google/devtools/build/lib/packages/PackageFactoryTest.java b/src/test/java/com/google/devtools/build/lib/packages/PackageFactoryTest.java
index 044b13f49859f2..5fedc206c8649b 100644
--- a/src/test/java/com/google/devtools/build/lib/packages/PackageFactoryTest.java
+++ b/src/test/java/com/google/devtools/build/lib/packages/PackageFactoryTest.java
@@ -727,7 +727,7 @@ public void testGlobWithSubdirMatchAndExclusion() throws Exception {
   @Test
   public void testBadCharacterInGlob() throws Exception {
     reporter.removeHandler(failFastHandler);
-    assertGlobFails("glob(['?'])", "Error in glob: wildcard ? forbidden");
+    assertGlobFails("glob(['?'])", "Error in glob: invalid glob pattern '?': wildcard ? forbidden");
   }
 
   @Test