diff --git a/classpath/java/lang/StackTraceElement.java b/classpath/java/lang/StackTraceElement.java
index 61c742a941..cd63e42292 100644
--- a/classpath/java/lang/StackTraceElement.java
+++ b/classpath/java/lang/StackTraceElement.java
@@ -56,7 +56,7 @@ public class StackTraceElement {
   }
 
   public String getClassName() {
-    return class_;
+    return class_.replace('/', '.');
   }
 
   public String getMethodName() {