diff --git a/NEWS b/NEWS
index adbaf6223e5..8f00881b295 100644
--- a/NEWS
+++ b/NEWS
@@ -15,6 +15,10 @@ PHP                                                                        NEWS
   . Fixed bug #79441 (Segfault in mb_chr() if internal encoding is unsupported).
     (Girgias)
 
+- OpenSSL:
+  . Fixed bug #79497 (stream_socket_client() throws an unknown error sometimes
+    with <1s timeout). (Joe Cai)
+
 - Standard:
   . Fixed bug #79468 (SIGSEGV when closing stream handle with a stream filter
     appended). (dinosaur)
diff --git a/ext/openssl/xp_ssl.c b/ext/openssl/xp_ssl.c
index 88d86c2096f..ea29a340586 100644
--- a/ext/openssl/xp_ssl.c
+++ b/ext/openssl/xp_ssl.c
@@ -2209,8 +2209,8 @@ static struct timeval php_openssl_subtract_timeval(struct timeval a, struct time
 	difference.tv_usec = a.tv_usec - b.tv_usec;
 
 	if (a.tv_usec < b.tv_usec) {
-	  	b.tv_sec  -= 1L;
-	   	b.tv_usec += 1000000L;
+		difference.tv_sec  -= 1L;
+		difference.tv_usec += 1000000L;
 	}
 
 	return difference;