diff --git a/src/SPC/builder/extension/yac.php b/src/SPC/builder/extension/yac.php
index 07589b2e..335aafa1 100644
--- a/src/SPC/builder/extension/yac.php
+++ b/src/SPC/builder/extension/yac.php
@@ -21,6 +21,6 @@ class yac extends Extension
 
     public function getUnixConfigureArg(bool $shared = false): string
     {
-        return '--enable-yac ' . ($shared ? '=shared' : '') . ' --enable-igbinary --enable-json --with-system-fastlz';
+        return '--enable-yac' . ($shared ? '=shared' : '') . ' --enable-igbinary --enable-json --with-system-fastlz';
     }
 }