diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 921918be..a24c7ef9 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -113,8 +113,9 @@ jobs:
              echo "pip=$pip" >> $GITHUB_ENV
              echo "LD_LIBRARY_PATH=$LD_LIBRARY_PATH" >> $GITHUB_ENV
              echo -e "Python: $python\nPip: $pip\nLD_LIB...: $LD_LIBRARY_PATH"
-             echo "Downloading PyInstaller..."
-             curl -O https://github.com/pyinstaller/pyinstaller/archive/$PYINSTALLER_COMMIT.tar.gz
+             export url="https://github.com/pyinstaller/pyinstaller/archive/${PYINSTALLER_COMMIT}.tar.gz"
+             echo "Downloading ${url}..."
+             curl -O "${url}"
              tar xf $PYINSTALLER_COMMIT.tar.gz
              mv pyinstaller-$PYINSTALLER_COMMIT pyinstaller
              cd pyinstaller/bootloader