diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 90998c8..abff72d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -45,6 +45,9 @@ jobs:
           key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
           restore-keys: ${{ runner.os }}-cargo-
 
+      - name: Cargo fmt
+        run: cargo fmt --check
+
       - name: Get Stone submodule version
         id: get-stone-version
         run: |
diff --git a/src/cairo_vm.rs b/src/cairo_vm.rs
index ccdaf27..8b88961 100644
--- a/src/cairo_vm.rs
+++ b/src/cairo_vm.rs
@@ -131,7 +131,7 @@ pub fn make_bootloader_tasks(
         pie.map(|pie| TaskSpec {
             task: Task::Pie(pie),
         })
-            .map_err(BootloaderTaskError::Pie)
+        .map_err(BootloaderTaskError::Pie)
     });
 
     program_tasks.chain(cairo_pie_tasks).collect()
diff --git a/src/error.rs b/src/error.rs
index 20db125..8f74a1e 100644
--- a/src/error.rs
+++ b/src/error.rs
@@ -16,4 +16,4 @@ pub enum VerifierError {
     IoError(#[from] std::io::Error),
     #[error("verifier run failed")]
     CommandError(std::process::Output),
-}
\ No newline at end of file
+}