diff --git a/githooks/pre-commit b/githooks/pre-commit
index dc0fa1bf..5bb2c486 100755
--- a/githooks/pre-commit
+++ b/githooks/pre-commit
@@ -47,3 +47,6 @@ git diff-index --check --cached $against -- || exit 1
 
 # Check that code lints cleanly.
 cargo clippy --all-features -- -D warnings || exit 1
+
+# Check that there are no formatting issues.
+cargo +nightly fmt --check || exit 1