1 files changed, 2 insertions, 2 deletions
diff --git a/error.c b/error.c
index 7163f62609..4c8aea5964 100644
--- a/error.c
+++ b/error.c
@@ -6,7 +6,7 @@
   $Date$
   created at: Mon Aug  9 16:11:34 JST 1993
 
-  Copyright (C) 1993-1996 Yukihiro Matsumoto
+  Copyright (C) 1993-1998 Yukihiro Matsumoto
 
 ************************************************/
 
@@ -254,7 +254,7 @@ exc_inspect(exc)
 
     klass = CLASS_OF(exc);
     if (RSTRING(exc)->len == 0) {
-	return rb_class_path(klass);
+	return str_dup(rb_class_path(klass));
     }
 
     str = str_new2("#<");