diff --git a/.github/workflows/core_ci.yml b/.github/workflows/core_ci.yml
index 2eeb865..dbc56d8 100644
--- a/.github/workflows/core_ci.yml
+++ b/.github/workflows/core_ci.yml
@@ -12,10 +12,6 @@ concurrency:
   group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
   cancel-in-progress: true
 
-defaults:
- run:
-  working-directory: ./core
-
 jobs:
   test:
     name: test
@@ -75,12 +71,13 @@ jobs:
       - name: Run tests
         uses: clechasseur/rs-cargo@v3
         with:
+          working-directory: ./core
           command: test
           args: "--target ${{ matrix.target }}"
           tool: ${{ matrix.cargo-tool }}
 
-  fmt:
-    name: fmt
+  format:
+    name: format
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
@@ -91,8 +88,10 @@ jobs:
         with:
           toolchain: stable
           components: rustfmt
-
-      - run: make fmt
+      
+      - name: Check formatting
+        working-directory: ./core
+        run: make fmt
 
   lint:
     name: lint
@@ -108,6 +107,7 @@ jobs:
           components: clippy
 
       - name: Run linter
+        working-directory: ./core
         run: make lint
   
   build:
@@ -124,4 +124,5 @@ jobs:
           components: clippy
 
       - name: Build
+        working-directory: ./core
         run: make build