fix typo
diff --git a/src/test/groovy/bugs/Groovy9244.groovy b/src/test/groovy/bugs/Groovy9244.groovy
index 3ce3235..b39c462 100644
--- a/src/test/groovy/bugs/Groovy9244.groovy
+++ b/src/test/groovy/bugs/Groovy9244.groovy
@@ -111,7 +111,7 @@
             }
 
             def impl = new Base((String) null) {}
-            assert iompl.which == 'String'
+            assert impl.which == 'String'
         '''
     }
 }