diff --git a/pkgs/by-name/li/libtomcrypt/package.nix b/pkgs/by-name/li/libtomcrypt/package.nix
index f2a74bba838b..35bb906ee2a2 100644
--- a/pkgs/by-name/li/libtomcrypt/package.nix
+++ b/pkgs/by-name/li/libtomcrypt/package.nix
@@ -24,13 +24,14 @@ stdenv.mkDerivation rec {
     })
   ];
 
-  nativeBuildInputs = [
-    libtool
+  buildInputs = [
     libtommath
   ];
 
   postPatch = ''
-    substituteInPlace makefile.shared --replace "LIBTOOL:=glibtool" "LIBTOOL:=libtool"
+    substituteInPlace makefile.shared \
+      --replace-fail "LIBTOOL:=glibtool" "LIBTOOL:=libtool" \
+      --replace-fail libtool "${lib.getExe libtool}"
   '';
 
   preBuild = ''