diff --git a/src/backend/utils/adt/formatting.c b/src/backend/utils/adt/formatting.c
index bf9643ffb4..19745ed7d8 100644
--- a/src/backend/utils/adt/formatting.c
+++ b/src/backend/utils/adt/formatting.c
@@ -4933,7 +4933,7 @@ static char *
 int_to_roman(int number)
 {
 	int			len = 0,
-				num = 0;
+				num;
 	char	   *p = NULL,
 			   *result,
 				numstr[12];