diff --git a/package b/package
index 412f75d..c4e3332 100755
--- a/package
+++ b/package
@@ -21,7 +21,7 @@ def create_args_parser():
     parser.add_argument("--rebuild", help="Ignore cache and rebuild container's image", action="store_true", default=False)
     parser.add_argument("--debug", help="Will add extra output and start the container in interactive mode", action="store_true", default=False)
     parser.add_argument("--cleanup", help="Clear the workspace and remove obsolete Docker images before build", action="store_true", default=False)
-    parser.add_argument("-d", "--docker-arg", help="Additional argument to pass to the Docker execution", default=[], action='append')
+    parser.add_argument("-f", "--override-run-flags", help="Override 'docker run' flags", default=[], action='append')
 
     return parser
 
@@ -83,27 +83,28 @@ if __name__ == "__main__":
 
     image_tag = build_image(build_workspace, base_image, args.profile, profile,  debug=args.debug, rebuild=args.rebuild)
 
-    # rkt run arguments
-    docker_args = [
-        "run",
-        "--rm",
-        "-v", "{:s}:/src:ro".format(project_dir),
-        "-v", "{:s}:/dist".format(output_dir),
-        "-v", "{:s}:/tamarin/hooks:ro".format(tamarin.get_hooks_dir()),
-        "-v", "{:s}:/tamarin/lib:ro".format(tamarin.get_lib_dir()),
-        "-v", "{:s}:/tamarin/profiles:ro".format(tamarin.get_profiles_dir())
-    ]
-
-    # Use environment proxy if defined
-    for proxy_var in ['HTTP_PROXY', 'HTTPS_PROXY', 'http_proxy', 'https_proxy']:
-        if proxy_var in os.environ:
-            docker_args += ["-e", "{:s}={:s}".format(proxy_var, os.environ[proxy_var])]
-
     kwargs = dict()
     kwargs['debug'] = args.debug
 
     # Append custom arguments
-    docker_args += args.docker_arg
+    if len(args.override_run_flags) > 0:
+        docker_args += args.override_run_flags
+    else:
+        # rkt run arguments
+        docker_args = [
+            "run",
+            "--rm",
+            "-v", "{:s}:/src:ro".format(project_dir),
+            "-v", "{:s}:/dist".format(output_dir),
+            "-v", "{:s}:/tamarin/hooks:ro".format(tamarin.get_hooks_dir()),
+            "-v", "{:s}:/tamarin/lib:ro".format(tamarin.get_lib_dir()),
+            "-v", "{:s}:/tamarin/profiles:ro".format(tamarin.get_profiles_dir())
+        ]
+
+        # Use environment proxy if defined
+        for proxy_var in ['HTTP_PROXY', 'HTTPS_PROXY', 'http_proxy', 'https_proxy']:
+            if proxy_var in os.environ:
+                docker_args += ["-e", "{:s}={:s}".format(proxy_var, os.environ[proxy_var])]
 
     if args.debug:
         kwargs['pty'] = True