diff --git a/pkgs/by-name/wa/warp-terminal/package.nix b/pkgs/by-name/wa/warp-terminal/package.nix
index fc31cb34d24e..cd69dc6e37cf 100644
--- a/pkgs/by-name/wa/warp-terminal/package.nix
+++ b/pkgs/by-name/wa/warp-terminal/package.nix
@@ -65,9 +65,9 @@ linux = stdenv.mkDerivation (finalAttrs:  {
     mkdir $out
     cp -r opt usr/* $out
 
-  '' ++ lib.optionalString waylandSupport ''
+  '' + lib.optionalString waylandSupport ''
     wrapProgram $out/bin/warp-terminal --set WARP_ENABLE_WAYLAND 1
-  '' ++ ''
+  '' + ''
     runHook postInstall
   '';
 });