diff --git a/pkgs/development/interpreters/php/default.nix b/pkgs/development/interpreters/php/default.nix
index c4493fa380da..96c85704f5ef 100644
--- a/pkgs/development/interpreters/php/default.nix
+++ b/pkgs/development/interpreters/php/default.nix
@@ -20,7 +20,7 @@ let
       enableParallelBuilding = true;
 
       buildInputs = [ flex bison pkgconfig ]
-      ++ lib.optional stdenv.isLinux [systemd ];
+        ++ lib.optional stdenv.isLinux systemd;
 
       configureFlags = [
         "EXTENSION_DIR=$(out)/lib/php/extensions"