1 files changed, 1 insertions, 0 deletions
diff --git a/handy.h b/handy.h
index d488922a44..d4b8ac292b 100644
--- a/handy.h
+++ b/handy.h
@@ -56,6 +56,7 @@ Null SV pointer. (No longer available when C<PERL_CORE> is defined.)
 
 #define MUTABLE_AV(p)	((AV *)MUTABLE_PTR(p))
 #define MUTABLE_CV(p)	((CV *)MUTABLE_PTR(p))
+#define MUTABLE_GV(p)	((GV *)MUTABLE_PTR(p))
 #define MUTABLE_HV(p)	((HV *)MUTABLE_PTR(p))
 #define MUTABLE_IO(p)	((IO *)MUTABLE_PTR(p))
 #define MUTABLE_SV(p)	((SV *)MUTABLE_PTR(p))