1 files changed, 1 insertions, 1 deletions
diff --git a/toke.c b/toke.c
index 8d8ac54eeb..bfc6436640 100644
--- a/toke.c
+++ b/toke.c
@@ -450,7 +450,7 @@ Perl_lex_start(pTHX_ SV *line)
     if (SvREADONLY(PL_linestr))
 	PL_linestr = sv_2mortal(newSVsv(PL_linestr));
     s = SvPV(PL_linestr, len);
-    if (len && s[len-1] != ';') {
+    if (!len || s[len-1] != ';') {
 	if (!(SvFLAGS(PL_linestr) & SVs_TEMP))
 	    PL_linestr = sv_2mortal(newSVsv(PL_linestr));
 	sv_catpvn(PL_linestr, "\n;", 2);