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-rw-r--r--ext/mbstring/mbstring.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/ext/mbstring/mbstring.c b/ext/mbstring/mbstring.c
index 615381e6c4..ea76e53381 100644
--- a/ext/mbstring/mbstring.c
+++ b/ext/mbstring/mbstring.c
@@ -4195,7 +4195,7 @@ PHP_FUNCTION(mb_send_mail)
}
/* Subject: */
- if (subject != NULL && subject_len >= 0) {
+ if (subject != NULL) {
orig_str.no_language = MBSTRG(language);
orig_str.val = (unsigned char *)subject;
orig_str.len = subject_len;