diff --git a/Formula/percona-server-mongodb.rb b/Formula/percona-server-mongodb.rb
index a77804db6c..9da5ae6d95 100644
--- a/Formula/percona-server-mongodb.rb
+++ b/Formula/percona-server-mongodb.rb
@@ -78,7 +78,7 @@ class PerconaServerMongodb < Formula
 
     args << "--disable-warnings-as-errors" if MacOS.version >= :yosemite
 
-    scons "install", *args
+    system "scons", "install", *args
 
     (buildpath/"mongod.conf").write <<~EOS
       systemLog: