1 files changed, 1 insertions, 1 deletions
diff --git a/perly.y b/perly.y
index 308176f88b..16ba650bc1 100644
--- a/perly.y
+++ b/perly.y
@@ -338,7 +338,7 @@ startformsub:	/* NULL */	/* start a format subroutine scope */
 	;
 
 /* Name of a subroutine - must be a bareword, could be special */
-subname	:	WORD	{ STRLEN n_a; char *name = SvPV(((SVOP*)$1)->op_sv,n_a);
+subname	:	WORD	{ STRLEN n_a; const char *name = SvPV_const(((SVOP*)$1)->op_sv,n_a);
 			  if (strEQ(name, "BEGIN") || strEQ(name, "END")
 			      || strEQ(name, "INIT") || strEQ(name, "CHECK"))
 			      CvSPECIAL_on(PL_compcv);