diff --git a/.github/workflows/win64_release.yml b/.github/workflows/win64_release.yml
index 4ccb6fc450..2da9572410 100644
--- a/.github/workflows/win64_release.yml
+++ b/.github/workflows/win64_release.yml
@@ -180,6 +180,7 @@ jobs:
               shell: bash
               run: |
                 set -x
+                # Exclude pre-installed mingw from PATH to avoid symbol conflicts at final linking
                 export PATH=$(echo "$PATH" | tr ':' '\n' | grep -v "/mingw64/bin" | tr '\n' ':')
                 export PATH="${PATH%:}:${{ env.MINGW_DIR }}/bin"
                 qmake.exe \
@@ -194,6 +195,7 @@ jobs:
               shell: bash
               run: |
                 set -x
+                # Exclude pre-installed mingw and python from PATH to avoid symbol conflicts at final linking
                 export PATH=$(echo "$PATH" | tr ':' '\n' | grep -v "/mingw64/bin" | grep -v "/c/hostedtoolcache/windows/Python${{ env.PYTHON_VERSION }}" | tr '\n' ':')
                 export PATH="${PATH%:}:${{ env.MINGW_DIR }}/bin"
                 qmake.exe \