diff --git a/.github/scripts/macOS/install_others.sh b/.github/scripts/macOS/install_others.sh
index 292ee1df3..173ce844e 100755
--- a/.github/scripts/macOS/install_others.sh
+++ b/.github/scripts/macOS/install_others.sh
@@ -43,11 +43,12 @@ install_aja() {(
 )}
 
 install_deltacast() {
-        if [ ! -f "$SDK_NONFREE_PATH/VideoMaster_SDK_MacOSX.zip" ]; then
+        filename=videomaster-macos-dev.zip
+        if [ ! -f "$SDK_NONFREE_PATH/$filename" ]; then
                 return
         fi
-        unzip "$SDK_NONFREE_PATH/VideoMaster_SDK_MacOSX.zip"
-        sudo installer -pkg VideoMaster_SDK.pkg -target / || true
+        unzip "$SDK_NONFREE_PATH/$filename"
+        sudo cp -a Frameworks/VideoMasterHD* /Library/Frameworks/
         export FEATURES="${FEATURES+$FEATURES }--enable-deltacast"
         echo "FEATURES=$FEATURES" >> "$GITHUB_ENV"
         export COMMON_OSX_FLAGS="${COMMON_OSX_FLAGS+$COMMON_OSX_FLAGS }\