diff --git a/src/SPC/builder/extension/snappy.php b/src/SPC/builder/extension/snappy.php
index ad80518f..2dc2a33a 100644
--- a/src/SPC/builder/extension/snappy.php
+++ b/src/SPC/builder/extension/snappy.php
@@ -21,7 +21,7 @@ class snappy extends Extension
         FileSystem::replaceFileRegex(
             SOURCE_PATH . '/php-src/configure',
             '/-lsnappy/',
-            $this->getLibFilesString() . $this->builder instanceof MacOSBuilder ? ' -lc++' : ' -lstdc++'
+            $this->getLibFilesString() . ($this->builder instanceof MacOSBuilder ? ' -lc++' : ' -lstdc++')
         );
         return true;
     }