diff --git a/blog/change_blog_nix.sh b/blog/change_blog_nix.sh
index 53280c2..6027006 100755
--- a/blog/change_blog_nix.sh
+++ b/blog/change_blog_nix.sh
@@ -1 +1,3 @@
-sed -i "s/rev = \".*\"/rev = \"$1\"/" "s/sha256 = \".*\"/sha256 = \"$2\"/" default.nix
+echo "New rev: $1"
+echo "New SHA256: $2"
+sed -i "s/rev = \".*\"/rev = \"$1\"/;s/sha256 = \".*\"/sha256 = \"$2\"/" default.nix