1 files changed, 1 insertions, 1 deletions
diff --git a/sv.h b/sv.h
index 75c45bf16e..ab09bba306 100644
--- a/sv.h
+++ b/sv.h
@@ -266,7 +266,7 @@ perform the upgrade if necessary.  See C<svtype>.
 #endif
 
 #define SVTYPEMASK	0xff
-#define SvTYPE(sv)	((sv)->sv_flags & SVTYPEMASK)
+#define SvTYPE(sv)	(svtype)((sv)->sv_flags & SVTYPEMASK)
 
 /* Sadly there are some parts of the core that have pointers to already-freed
    SV heads, and rely on being able to tell that they are now free. So mark