1 files changed, 3 insertions, 3 deletions
diff --git a/mg.h b/mg.h
index c40a866795..c464746557 100644
--- a/mg.h
+++ b/mg.h
@@ -36,6 +36,6 @@ struct magic {
 #define MgTAINTEDDIR_on(mg)	(mg->mg_flags |= MGf_TAINTEDDIR)
 #define MgTAINTEDDIR_off(mg)	(mg->mg_flags &= ~MGf_TAINTEDDIR)
 
-#define MgPV(mg)                ((mg)->mg_len == HEf_SVKEY) ?   \
-                                SvPV((SV*)((mg)->mg_ptr),na) :   \
-                                (mg)->mg_ptr
+#define MgPV(mg,lp)		(((lp = (mg)->mg_len) == HEf_SVKEY) ?   \
+				 SvPV((SV*)((mg)->mg_ptr),lp) :		\
+				 (mg)->mg_ptr)