1 files changed, 1 insertions, 1 deletions
diff --git a/toke.c b/toke.c
index aa3e64b55f..c07d991274 100644
--- a/toke.c
+++ b/toke.c
@@ -7183,7 +7183,7 @@ vstring:
 		pos++;
 	    if (!isALPHA(*pos)) {
 		UV rev;
-		U8 tmpbuf[UTF8_MAXLEN];
+		U8 tmpbuf[UTF8_MAXLEN+1];
 		U8 *tmpend;
 		bool utf8 = FALSE;
 		s++;				/* get past 'v' */