diff --git a/nix/node-env.nix b/nix/node-env.nix
index 9296bc2..29995f2 100644
--- a/nix/node-env.nix
+++ b/nix/node-env.nix
@@ -124,7 +124,7 @@ let
           packageDir=$(find . -type d -maxdepth 1 | tail -1)
           
           # Restore write permissions to make building work
-          find "$packageDir" -type d | xargs chmod u+x
+          find "$packageDir" -type d -print0 | xargs -0 chmod u+x
           chmod -R u+w "$packageDir"
           
           # Move the extracted tarball into the output folder
@@ -132,13 +132,12 @@ let
       elif [ -d "${src}" ]
       then
           # Restore write permissions to make building work
-          find "$packageDir" -type d | xargs chmod u+x
           chmod -R u+w $strippedName
           
           # Move the extracted directory into the output folder
           mv $strippedName "$DIR/${packageName}"
       fi
-      
+
       # Unset the stripped name to not confuse the next unpack step
       unset strippedName