diff --git a/gcc/testsuite/g++.dg/ext/attrib21.C b/gcc/testsuite/g++.dg/ext/attrib21.C
index c7ce8da87c7..2fc5800b05e 100644
--- a/gcc/testsuite/g++.dg/ext/attrib21.C
+++ b/gcc/testsuite/g++.dg/ext/attrib21.C
@@ -1,4 +1,4 @@
-// PR c++/20673
+// PR c++/20763
 
 typedef void *voidp;