diff --git a/packages/fennel-ls.nix b/packages/fennel-ls.nix
index 6db6315..4bdef0c 100644
--- a/packages/fennel-ls.nix
+++ b/packages/fennel-ls.nix
@@ -16,6 +16,11 @@ pkgs.stdenv.mkDerivation rec {
     lua
   ];
 
+  buildPhase = ''
+    patchShebangs fennel
+    make
+  '';
+
   dontStrip = true;
 
   installPhase = ''