1 files changed, 1 insertions, 1 deletions
diff --git a/doio.c b/doio.c
index d980deaa37..f6566bb521 100644
--- a/doio.c
+++ b/doio.c
@@ -210,7 +210,7 @@ Perl_do_openn(pTHX_ GV *gv, register char *name, I32 len, int as_raw,
 	    *tend-- = '\0';
 	if (num_svs) {
 	    /* New style explict name, type is just mode and discipline/layer info */
-	    STRLEN l;
+	    STRLEN l = 0;
 	    name = SvOK(*svp) ? SvPV(*svp, l) : "";
 	    len = (I32)l;
 	    name = savepvn(name, len);