diff --git a/githooks/pre-commit b/githooks/pre-commit
index cabd06f..1a964bb 100755
--- a/githooks/pre-commit
+++ b/githooks/pre-commit
@@ -48,3 +48,6 @@ git diff-index --check --cached $against -- || exit 1
 
 # Check that code lints cleanly.
 cargo clippy --features=rand-std,recovery,lowmemory,global-context --all-targets -- -D warnings || exit 1
+
+# Check that there are no formatting issues.
+cargo +nightly fmt --check || exit 1