diff --git a/pkgs/development/cuda-modules/generic-builders/manifest.nix b/pkgs/development/cuda-modules/generic-builders/manifest.nix
index c7ff0f53bb74..95140ca651cd 100644
--- a/pkgs/development/cuda-modules/generic-builders/manifest.nix
+++ b/pkgs/development/cuda-modules/generic-builders/manifest.nix
@@ -170,13 +170,15 @@ backendStdenv.mkDerivation (
       ''
       # Handle the existence of libPath, which requires us to re-arrange the lib directory
       + strings.optionalString (libPath != null) ''
-        if [[ ! -d "${libPath}" ]] ; then
-          echo "${finalAttrs.pname}: ${libPath} does not exist, only found:" >&2
-          find "$(dirname ${libPath})"/ -maxdepth 1 >&2
+        full_lib_path="lib/${libPath}"
+        if [[ ! -d "$full_lib_path" ]] ; then
+          echo "${finalAttrs.pname}: '$full_lib_path' does not exist, only found:" >&2
+          find lib/ -mindepth 1 -maxdepth 1 >&2
           echo "This release might not support your CUDA version" >&2
           exit 1
         fi
-        mv "lib/${libPath}" lib_new
+        echo "Making libPath '$full_lib_path' the root of lib" >&2
+        mv "$full_lib_path" lib_new
         rm -r lib
         mv lib_new lib
       ''