diff --git a/date.c b/date.c
index d780846b66..21a5386782 100644
--- a/date.c
+++ b/date.c
@@ -586,7 +586,7 @@ static const char *approxidate_alpha(const char *date, struct tm *tm, int *num)
 	const char *end = date;
 	int i;
 
-	while (isalpha(*++end));
+	while (isalpha(*++end))
 		;
 
 	for (i = 0; i < 12; i++) {