diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index b0f09fb..c53f5c3 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -35,7 +35,11 @@ jobs:
       - name: Build binary
         run: |
           mkdir -p build
-          GOOS=${{ matrix.goos }} GOARCH=${{ matrix.goarch }} go build -o build/tecamino-dbm-${{ matrix.goos }}-${{ matrix.goarch }} main.go
+          if [ "${{ matrix.goos }}" == "windows" ]; then
+            GOOS=${{ matrix.goos }} GOARCH=${{ matrix.goarch }} go build -o build/tecamino-dbm-${{ matrix.goos }}-${{ matrix.goarch }}.exe main.go
+          else
+            GOOS=${{ matrix.goos }} GOARCH=${{ matrix.goarch }} go build -o build/tecamino-dbm-${{ matrix.goos }}-${{ matrix.goarch }} main.go
+          fi
 
       - name: Upload artifacts
         uses: actions/upload-artifact@v4