diff --git a/.github/workflows/cura-installer.yml b/.github/workflows/cura-installer.yml
index dff7b70256..8a7cff58f6 100644
--- a/.github/workflows/cura-installer.yml
+++ b/.github/workflows/cura-installer.yml
@@ -251,7 +251,7 @@ jobs:
                     if "${{ runner.os }}" == "Windows":
                         installer_ext = "msi" if "${{ inputs.msi_installer }}" == "true" else "exe"
                     elif "${{ runner.os }}" == "macOS":
-                        installer_ext = "pkg" if "${{ inputs.mis_installer }}" == "true" else "dmg"
+                        installer_ext = "pkg" if "${{ inputs.msi_installer }}" == "true" else "dmg"
                     else:
                         installer_ext = "AppImage"
                     output_env = os.environ["GITHUB_OUTPUT"]
diff --git a/packaging/MacOS/build_macos.py b/packaging/MacOS/build_macos.py
index 3dbb3652f5..cc8ab0e2a4 100644
--- a/packaging/MacOS/build_macos.py
+++ b/packaging/MacOS/build_macos.py
@@ -129,13 +129,11 @@ def create_dmg(filename: str, dist_path: str, source_path: str) -> None:
     @param source_path: The location of the project source files
     """
 
-    dmg_filename = f"{filename}.dmg"
-
-    build_dmg(source_path, dist_path, dmg_filename)
+    build_dmg(source_path, dist_path, filename)
 
     notarize_dmg = bool(os.environ.get("NOTARIZE_DMG", "TRUE"))
     if notarize_dmg:
-        notarize_file(dist_path, dmg_filename)
+        notarize_file(dist_path, filename)
 
 
 if __name__ == "__main__":