diff --git a/.github/workflows/Linux build template.yml b/.github/workflows/Linux build template.yml
index 39f4278d9..2235dc20f 100644
--- a/.github/workflows/Linux build template.yml	
+++ b/.github/workflows/Linux build template.yml	
@@ -107,6 +107,7 @@ jobs:
 # ----- Building & uploading artifacts -----
     - name: Build Thunder
       run: |
+        source venv/bin/activate
         ${{matrix.architecture == '32' && 'export PKG_CONFIG_PATH=/usr/lib/i386-linux-gnu/pkgconfig:$PKG_CONFIG_PATH' || 'PKG_CONFIG_PATH=/usr/lib/x86_64-linux-gnu/pkgconfig:$PKG_CONFIG_PATH'}}
         cmake -G Ninja -S Thunder -B ${{matrix.build_type}}/build/Thunder \
         -DCMAKE_CXX_FLAGS="-Wall -Wextra -Wpedantic -Werror -m${{matrix.architecture}}" \