diff --git a/src/Runtime.php b/src/Runtime.php
index 713cb04..02b6fb1 100644
--- a/src/Runtime.php
+++ b/src/Runtime.php
@@ -76,8 +76,14 @@ public function performsJustInTimeCompilation(): bool
         if (ini_get('opcache.jit_buffer_size') === '0') {
             return false;
         }
+        
+        $jit = ini_get('opcache.jit');
 
-        if (strpos(ini_get('opcache.jit'), '0') === 0) {
+        if (($jit === 'disable') || ($jit === 'off')) {
+            return false;
+        }
+
+        if (strrpos($jit, '0') === 3) {
             return false;
         }