diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 3997edf..2a76a17 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -21,7 +21,7 @@ jobs:
         run: |
           cd code
           cargo fmt --all -- --check
-          cd ../ch02-03
+          cd ch02-03
           cargo fmt --all -- --check
 #        uses: actions-rs/cargo@v1
 #        with:
@@ -31,7 +31,7 @@ jobs:
         run: |
           cd code
           cargo clippy
-          cd ../ch02-03
+          cd ch02-03
           cargo clippy
 #        uses: actions-rs/cargo@v1
 #        with:
@@ -54,7 +54,7 @@ jobs:
         run: |
           cd code
           cargo build
-          cd ../ch02-03
+          cd ch02-03
           cargo build
 #        uses: actions-rs/cargo@v1
 #        with:
@@ -77,5 +77,5 @@ jobs:
         run: |
           cd code
           cargo test
-          cd ../ch02-03
+          cd ch02-03
           cargo test