diff --git a/hooks/pre-commit b/hooks/pre-commit
index b214874..2f28c13 100755
--- a/hooks/pre-commit
+++ b/hooks/pre-commit
@@ -11,7 +11,7 @@ ARCH="$(uname -m)-$(uname | tr "[:upper:]" "[:lower:]")"
 NIX_FMT="$(nix build --no-link --print-out-paths .#formatter."${ARCH}")"
 
 RESULT=0;
-for file in $(git diff --name-only --cached); do
+for file in $(git diff --diff-filter=d --name-only --cached); do
   if grep -q "\.nix$" <<< "${file}"; then
     "${NIX_FMT}"/bin/nixfmt -c <<< "$(git cat-file blob :"${file}")" 2> >(sed "s|<stdin>|${file}|");
     RESULT=$(( RESULT || $? ));