diff --git a/ext/date/php_date.c b/ext/date/php_date.c
index 5b62b540b7710..fe1430f028566 100644
--- a/ext/date/php_date.c
+++ b/ext/date/php_date.c
@@ -3665,6 +3665,7 @@ static int timezone_initialize(php_timezone_obj *tzobj, /*const*/ char *tz TSRML
 		return FAILURE;
 	} else {
 		set_timezone_from_timelib_time(tzobj, dummy_t);
+		free(dummy_t->tz_abbr);
 		efree(dummy_t);
 		return SUCCESS;
 	}