diff --git a/.github/workflows/pre_commit.yml b/.github/workflows/pre_commit.yml
new file mode 100644
index 0000000..75b6b48
--- /dev/null
+++ b/.github/workflows/pre_commit.yml
@@ -0,0 +1,23 @@
+name: Pre-commit checks
+
+on: pull_request
+
+jobs:
+  pre_commit:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - name: Set up Python 3.11
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.11'
+
+      - name: Set up pre-commit
+        run: pip install pre-commit
+
+      - name: Run pre-commit
+        run: pre-commit run --show-diff-on-failure --from-ref origin/master --to-ref HEAD
diff --git a/src/esp_loader.c b/src/esp_loader.c
index 734d10f..722bbb2 100644
--- a/src/esp_loader.c
+++ b/src/esp_loader.c
@@ -41,7 +41,7 @@ typedef enum {
     SPI_FLASH_READ_ID = 0x9F
 } spi_flash_cmd_t;
 
-static const target_registers_t *s_reg = NULL;
+static const target_registers_t *s_reg = NULL;           
 static target_chip_t s_target = ESP_UNKNOWN_CHIP;
 
 #if MD5_ENABLED