1 files changed, 1 insertions, 0 deletions
diff --git a/variable.c b/variable.c
index ebe532f28a..6bd447b46c 100644
--- a/variable.c
+++ b/variable.c
@@ -354,6 +354,7 @@ rb_path_to_class(VALUE pathname)
 	    rb_raise(rb_eTypeError, "%s does not refer to class/module", path);
 	}
     }
+    RB_GC_GUARD(pathname);
 
     return c;
 }