diff --git a/ci.sh b/ci.sh
index cb8d44de..17bff040 100755
--- a/ci.sh
+++ b/ci.sh
@@ -36,7 +36,7 @@ cargo batch \
     --- build --release --manifest-path examples/rp-pico-2-w/Cargo.toml --target thumbv8m.main-none-eabihf --features skip-cyw43-firmware
 #    --- build --release --manifest-path examples/apache-nimble/Cargo.toml --target thumbv7em-none-eabihf
 
-cargo fmt --check --manifest-path ./host/Cargo.toml
+cargo +nightly fmt --check --manifest-path ./host/Cargo.toml
 cargo clippy --manifest-path ./host/Cargo.toml --features gatt,peripheral,central
 cargo test --manifest-path ./host/Cargo.toml --lib -- --nocapture
 cargo test --manifest-path ./host/Cargo.toml --no-run -- --nocapture