diff --git a/pkgs/by-name/sc/scalpel/package.nix b/pkgs/by-name/sc/scalpel/package.nix
index e481d9e22243..7cbdd41caa4f 100644
--- a/pkgs/by-name/sc/scalpel/package.nix
+++ b/pkgs/by-name/sc/scalpel/package.nix
@@ -23,6 +23,9 @@ stdenv.mkDerivation (finalAttrs: {
     autoconf
     automake
     libtool
+  ];
+
+  buildInputs = [
     tre
   ];