diff --git a/.github/workflows/build_linux.yml b/.github/workflows/build_linux.yml
index df223d085..81104f3a3 100644
--- a/.github/workflows/build_linux.yml
+++ b/.github/workflows/build_linux.yml
@@ -78,8 +78,6 @@ jobs:
     - name: cmake
       run: |
         mkdir build && cd build
-        FFMPEG_INCLUDE_DIR=/usr/include/x86_64-linux-gnu \
-        FFMPEG_PKG_CONFIG_PATH=/usr/x86_64-linux-gnu/lib/pkgconfig \
         cmake -DWITH_OCR=ON -DWITH_HARDSUBX=ON ../src
     - name: build
       run: |
diff --git a/.github/workflows/format.yml b/.github/workflows/format.yml
index ed628de02..b15c5da2b 100644
--- a/.github/workflows/format.yml
+++ b/.github/workflows/format.yml
@@ -46,8 +46,11 @@ jobs:
           override: true
           components: rustfmt, clippy
       - name: dependencies
-        run: sudo apt update && sudo apt install libtesseract-dev libavformat-dev libswscale-dev yasm
+        run: sudo apt update && sudo apt install libtesseract-dev  libavformat-dev libavdevice-dev libswscale-dev yasm
       - name: rustfmt
         run: cargo fmt --all -- --check
       - name: clippy
-        run: cargo clippy --all-features -- -D warnings
+        run: |
+          FFMPEG_INCLUDE_DIR=/usr/include/x86_64-linux-gnu \
+          FFMPEG_PKG_CONFIG_PATH=/usr/x86_64-linux-gnu/lib/pkgconfig \
+          cargo clippy --all-features -- -D warnings