diff --git a/README.md b/README.md
index 81984cd..e02e59d 100644
--- a/README.md
+++ b/README.md
@@ -123,7 +123,12 @@ To analyze the firmware's code size, you need [cargo-bloat](https://github.com/R
 - `make bloat`
 - `make bloat BLOAT_ARGS="--crates" # passing arguments to cargo-bloat`
 
-Our CI requires consistent formatting, please run rustfmt before you submit PRs:
+Our CI requires consistent formatting, please use our pre-commit hook
+to make sure:
+
+- `cp scripts/pre-commit .git/hooks/pre-commit`
+
+To fix formatting:
 
 - `make fmt`
 
diff --git a/scripts/pre-commit b/scripts/pre-commit
new file mode 100755
index 0000000..834b68a
--- /dev/null
+++ b/scripts/pre-commit
@@ -0,0 +1,4 @@
+#!/bin/sh
+set -e
+
+cargo fmt --all -- --check
diff --git a/src/bluetooth.rs b/src/bluetooth.rs
index 8fb9fbe..5aa0a4f 100644
--- a/src/bluetooth.rs
+++ b/src/bluetooth.rs
@@ -153,7 +153,8 @@ where
                             .log_error();
                     }
                     _ => {
-                        crate::heprintln!("msg: System {} {:?}", message.operation, message.data).ok();
+                        crate::heprintln!("msg: System {} {:?}", message.operation, message.data)
+                            .ok();
                     }
                 }
             }
@@ -230,7 +231,8 @@ where
                     crate::heprintln!("TODO: Keyboard Sync").ok();
                 }
                 _ => {
-                    crate::heprintln!("msg: Keyboard {} {:?}", message.operation, message.data).ok();
+                    crate::heprintln!("msg: Keyboard {} {:?}", message.operation, message.data)
+                        .ok();
                 }
             },
             MsgType::Macro => match MacroOp::from(message.operation) {
@@ -244,7 +246,9 @@ where
             _ => {
                 crate::heprintln!(
                     "msg: {:?} {} {:?}",
-                    message.msg_type, message.operation, message.data
+                    message.msg_type,
+                    message.operation,
+                    message.data
                 )
                 .ok();
             }
diff --git a/src/led.rs b/src/led.rs
index f2016d7..1bcf0b5 100644
--- a/src/led.rs
+++ b/src/led.rs
@@ -222,7 +222,9 @@ where
                     _ => {
                         crate::heprintln!(
                             "lmsg: {:?} {} {:?}",
-                            message.msg_type, message.operation, message.data
+                            message.msg_type,
+                            message.operation,
+                            message.data
                         )
                         .ok();
                     }
@@ -231,7 +233,9 @@ where
             _ => {
                 crate::heprintln!(
                     "lmsg: {:?} {} {:?}",
-                    message.msg_type, message.operation, message.data
+                    message.msg_type,
+                    message.operation,
+                    message.data
                 )
                 .ok();
             }