diff --git a/pkgs/build-support/php/pkgs/composer-phar.nix b/pkgs/build-support/php/pkgs/composer-phar.nix
index a03adc6e6ab0..f0f66fba24bf 100644
--- a/pkgs/build-support/php/pkgs/composer-phar.nix
+++ b/pkgs/build-support/php/pkgs/composer-phar.nix
@@ -32,7 +32,7 @@ stdenvNoCC.mkDerivation (finalAttrs: {
 
     mkdir -p $out/bin
     install -D $src $out/libexec/composer/composer.phar
-    makeWrapper ${php}/bin/php $out/bin/composer \
+    makeWrapper ${lib.getExe php} $out/bin/composer \
       --add-flags "$out/libexec/composer/composer.phar" \
       --prefix PATH : ${
         lib.makeBinPath [