diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 55a5a69..c607af3 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -17,6 +17,9 @@ jobs:
           - platform: "ubuntu-22.04"
 
     runs-on: ${{ matrix.platform }}
+    defaults:
+      run:
+        shell: bash
     steps:
       - uses: actions/checkout@v4
         with:
@@ -49,7 +52,6 @@ jobs:
 
       - name: build extensions
         run: make
-        shell: bash
 
       - name: Generate manifest
         run: python3 gen-manifest.py
diff --git a/youtube_dl/Makefile b/youtube_dl/Makefile
index dc6871f..c17ff3a 100644
--- a/youtube_dl/Makefile
+++ b/youtube_dl/Makefile
@@ -5,11 +5,11 @@ all: install-deps build copy pack
 install-deps:
 	python -m venv .venv
 	ls -l `which sh`
-	source .venv/bin/activate && pip install git+https://github.com/Moosync/wasm-extension-runner/#subdirectory=wasm-extension-py && pip install yt-dlp
+	bash -c "source .venv/bin/activate && pip install git+https://github.com/Moosync/wasm-extension-runner/#subdirectory=wasm-extension-py && pip install yt-dlp"
 
 build:
 	mkdir -p $(DIST_DIR)
-	source .venv/bin/activate && moosync-edk extension.py -o $(DIST_DIR)/ext.wasm
+	bash -c "source .venv/bin/activate && moosync-edk extension.py -o $(DIST_DIR)/ext.wasm"
 
 opt:
 	wasm-opt -Oz $(DIST_DIR)/ext.wasm -o $(DIST_DIR)/ext.wasm