diff --git a/ext/opcache/tests/gh18050.phpt b/ext/opcache/tests/gh18050.phpt
index d71bc4c4d750f..b641e1ae236c6 100644
--- a/ext/opcache/tests/gh18050.phpt
+++ b/ext/opcache/tests/gh18050.phpt
@@ -3,6 +3,7 @@ GH-18050: Frameless calls break IN_ARRAY optimization
 --EXTENSIONS--
 opcache
 --INI--
+opcache.enable=1
 opcache.enable_cli=1
 opcache.optimization_level=-1
 opcache.opt_debug_level=0x20000