diff --git a/tools/build_config/buildMacOSInstaller.py b/tools/build_config/buildMacOSInstaller.py
index 1536f37829f..ce675ec1773 100755
--- a/tools/build_config/buildMacOSInstaller.py
+++ b/tools/build_config/buildMacOSInstaller.py
@@ -540,11 +540,14 @@ def main():
             print(f" - Created \"{pkg_name}\" ({pkg_size / (1024 * 1024):.2f} MB)")
 
     elif opts.create_installer_pkg:
-        if not os.path.exists(os.path.dirname(opts.installer_pkg_file)):
-            print(f"Error: pkg output directory '{os.path.dirname(opts.installer_pkg_file)}' does not exist.",
+        if os.path.exists(os.path.dirname(opts.installer_pkg_file)):
+            print(f"Error: pkg output directory '{os.path.dirname(opts.installer_pkg_file)}' exists.",
                   file=sys.stderr)
             sys.exit(1)
 
+        # Create the output directory for the installer pkg
+        os.makedirs(os.path.dirname(opts.installer_pkg_file))
+
         print("Building installer pkg file")
         # Where do we find our pkgs?
         fw_pkg = [os.path.join(opts.framework_pkg_dir, f"{default_framework_name}-{version}.pkg"),