diff --git a/pretty.c b/pretty.c
index 4da9a682f3bd6f..4d4c1e95625e57 100644
--- a/pretty.c
+++ b/pretty.c
@@ -397,7 +397,7 @@ static const char *show_ident_date(const struct ident_split *ident,
 				   enum date_mode mode)
 {
 	unsigned long date = 0;
-	int tz = 0;
+	long tz = 0;
 
 	if (ident->date_begin && ident->date_end)
 		date = strtoul(ident->date_begin, NULL, 10);
@@ -406,7 +406,7 @@ static const char *show_ident_date(const struct ident_split *ident,
 	else {
 		if (ident->tz_begin && ident->tz_end)
 			tz = strtol(ident->tz_begin, NULL, 10);
-		if (tz == LONG_MAX || tz == LONG_MIN)
+		if (tz >= INT_MAX || tz <= INT_MIN)
 			tz = 0;
 	}
 	return show_date(date, tz, mode);