diff --git a/Zend/zend_execute_API.c b/Zend/zend_execute_API.c
index fe37b024934df..d4a373616fe92 100644
--- a/Zend/zend_execute_API.c
+++ b/Zend/zend_execute_API.c
@@ -1531,7 +1531,9 @@ static void zend_set_timeout_ex(zend_long seconds, bool reset_signals) /* {{{ */
 		return;
 	}
 #elif defined(ZEND_MAX_EXECUTION_TIMERS)
-	zend_max_execution_timer_settime(seconds);
+	if (seconds> 0) {
+		zend_max_execution_timer_settime(seconds);
+	}
 
 	if (reset_signals) {
 		sigset_t sigset;
@@ -1618,7 +1620,9 @@ void zend_unset_timeout(void) /* {{{ */
 		tq_timer = NULL;
 	}
 #elif ZEND_MAX_EXECUTION_TIMERS
-	zend_max_execution_timer_settime(0);
+	if (EG(timeout_seconds)) {
+		zend_max_execution_timer_settime(0);
+	}
 #elif defined(HAVE_SETITIMER)
 	if (EG(timeout_seconds)) {
 		struct itimerval no_timeout;
</div><div class="naked_ctrl">
<form action="/index.cgi/contrast" method="get" name="gate">
<p><a href="http://altstyle.alfasado.net">AltStyle</a> によって変換されたページ <a href="https://patch-diff.githubusercontent.com/raw/php/php-src/pull/19786.diff">(-&gt;オリジナル)</a>
/ <label>アドレス: <input type="text" name="naked_post_url" value="https://patch-diff.githubusercontent.com/raw/php/php-src/pull/19786.diff" size="22" /></label> <label>モード: <select name="naked_post_mode">
<option value="default">デフォルト</option>
<option value="speech">音声ブラウザ</option>
<option value="ruby">ルビ付き</option>
<option value="contrast" selected="selected">配色反転</option>
<option value="larger-text">文字拡大</option>
<option value="mobile">モバイル</option>
</select>
<input type="submit" value="表示" />
</p>
</form>
</div>