diff --git a/mob.ini b/mob.ini
index a646ec8..8b9e4c1 100644
--- a/mob.ini
+++ b/mob.ini
@@ -22,12 +22,13 @@ super   = cmake_common modorganizer* githubpp
 plugins = check_fnis bsapacker bsa_extractor diagnose_basic installer_* plugin_python preview_base preview_bsa tool_* game_*
 
 [task]
-enabled   = true
-mo_org    = ModOrganizer2
-mo_branch = master
-no_pull   = false
-ignore_ts = false
-revert_ts = false
+enabled     = true
+mo_org      = ModOrganizer2
+mo_branch   = master
+mo_fallback =
+no_pull     = false
+ignore_ts   = false
+revert_ts   = false
 
 git_url_prefix = https://github.com/
 git_shallow    = true
diff --git a/readme.md b/readme.md
index 7e49e6f..d18512a 100644
--- a/readme.md
+++ b/readme.md
@@ -129,6 +129,8 @@ Unless otherwise stated, applies to any task that is a git repo.
 | ---         | ---    | ---         |
 | `mo_org`    | string | The organisation name when pulling from Github. Only applies to ModOrganizer projects, plus NCC and usvfs. |
 | `mo_branch` | string | The branch name when pulling from Github. Only applies to ModOrganizer projects, plus NCC and usvfs. |
+| `mo_master` | string | The fallback branch name when pulling from Github. Only applies to ModOrganizer projects, plus NCC and usvfs.
+This branch is used when `mo_branch` does not exists. If this value is empty, the fallback mechanism is disabled (default behavior). |
 | `no_pull`   | bool   | If a repo is already cloned, a `git pull` will be done on it every time `mob build` is run. Set to `false` to never pull and build with whatever is in there. |
 | `ignore_ts` | bool   | Marks all the `.ts` files in a repo with `--assume-unchanged`. Note that `mob git ignore-ts off` can be used to revert it. |
 | `git_url_prefix` | string | When cloning a repo, the URL will be `$(git_url_prefix)mo_org/repo.git`. |
diff --git a/src/core/conf.h b/src/core/conf.h
index 5c1fce7..ae61b64 100644
--- a/src/core/conf.h
+++ b/src/core/conf.h
@@ -131,20 +131,21 @@ public:
 		return get_bool(key);
 	}
 
-	std::string mo_org() const               { return get("mo_org"); }
-	std::string mo_branch() const			 { return get("mo_branch"); }
-	bool no_pull() const					 { return get<bool>("no_pull"); }
-	bool revert_ts() const					 { return get<bool>("revert_ts"); }
-	bool ignore_ts()const					 { return get<bool>("ignore_ts"); }
-	std::string git_url_prefix() const		 { return get("git_url_prefix"); }
-	bool git_shallow() const				 { return get<bool>("git_shallow"); }
-	std::string git_user() const			 { return get("git_username"); }
-	std::string git_email() const			 { return get("git_email"); }
-	bool set_origin_remote() const			 { return get<bool>("set_origin_remote"); }
-	std::string remote_org() const			 { return get("remote_org"); }
-	std::string remote_key() const			 { return get("remote_key"); }
-	bool remote_no_push_upstream() const	 { return get<bool>("remote_no_push_upstream"); }
-	bool remote_push_default_origin() const  { return get<bool>("remote_push_default_origin"); }
+	std::string mo_org() const { return get("mo_org"); }
+	std::string mo_branch() const { return get("mo_branch"); }
+	std::string mo_fallback_branch() const { return get("mo_fallback"); }
+	bool no_pull() const { return get<bool>("no_pull"); }
+	bool revert_ts() const { return get<bool>("revert_ts"); }
+	bool ignore_ts()const { return get<bool>("ignore_ts"); }
+	std::string git_url_prefix() const { return get("git_url_prefix"); }
+	bool git_shallow() const { return get<bool>("git_shallow"); }
+	std::string git_user() const { return get("git_username"); }
+	std::string git_email() const { return get("git_email"); }
+	bool set_origin_remote() const { return get<bool>("set_origin_remote"); }
+	std::string remote_org() const { return get("remote_org"); }
+	std::string remote_key() const { return get("remote_key"); }
+	bool remote_no_push_upstream() const { return get<bool>("remote_no_push_upstream"); }
+	bool remote_push_default_origin() const { return get<bool>("remote_push_default_origin"); }
 
 private:
 	std::vector<std::string> names_;
diff --git a/src/tasks/modorganizer.cpp b/src/tasks/modorganizer.cpp
index dc326f6..fe76eb7 100644
--- a/src/tasks/modorganizer.cpp
+++ b/src/tasks/modorganizer.cpp
@@ -153,10 +153,19 @@ void modorganizer::do_fetch()
 	// make sure the super directory is initialized, only done once
 	initialize_super(cx(), super_path());
 
+	// find the best suitable branch
+	const auto fallback = task_conf().mo_fallback_branch();
+	auto branch = task_conf().mo_branch();
+	if (!fallback.empty() && !git_wrap::remote_branch_exists(git_url(), branch)) {
+		cx().warning(context::generic,
+			"{} has no remote {} branch, switching to {}", repo_, branch, fallback);
+		branch = fallback;
+	}
+
 	// clone/pull
 	run_tool(make_git()
 		.url(git_url())
-		.branch(task_conf().mo_branch())
+		.branch(branch)
 		.root(source_path()));
 }