diff --git a/Makefile b/Makefile
index e1f2209..515bf03 100644
--- a/Makefile
+++ b/Makefile
@@ -40,9 +40,9 @@ kernel:
 	env RUSTFLAGS="$(RUSTFLAGS)" cargo build --bin kernel $(CARGO_BUILD_ARGS)
 
 clippy:
-	cargo clippy -p allocator
-	cargo clippy -p utils
-	cargo clippy --no-deps $(CARGO_TARGET_ARGS) --manifest-path=kernel/Cargo.toml
+	env RUSTFLAGS="-Dwarnings" cargo clippy -p allocator
+	env RUSTFLAGS="-Dwarnings" cargo clippy -p utils
+	env RUSTFLAGS="-Dwarnings" cargo clippy --no-deps $(CARGO_TARGET_ARGS) --manifest-path=kernel/Cargo.toml
 
 fmt:
 	cargo fmt --all