diff --git a/src/content/mods.cpp b/src/content/mods.cpp
index 5a9281f7d1..333f1d24da 100644
--- a/src/content/mods.cpp
+++ b/src/content/mods.cpp
@@ -175,8 +175,9 @@ std::map<std::string, ModSpec> getModsInPath(
 		mod_virtual_path.append(virtual_path).append("/").append(modname);
 
 		ModSpec spec(modname, mod_path, part_of_modpack, mod_virtual_path);
-		parseModContents(spec);
-		result[modname] = std::move(spec);
+		if (parseModContents(spec)) {
+			result[modname] = std::move(spec);
+		}
 	}
 	return result;
 }
diff --git a/src/content/mods.h b/src/content/mods.h
index a7e1e50415..fc98d92987 100644
--- a/src/content/mods.h
+++ b/src/content/mods.h
@@ -78,7 +78,7 @@ struct ModSpec
  *
  * @returns false if not a mod
  */
-bool parseModContents(ModSpec &mod);
+[[nodiscard]] bool parseModContents(ModSpec &mod);
 
 /**
  * Gets a list of all mods and modpacks in path
diff --git a/src/script/lua_api/l_mainmenu.cpp b/src/script/lua_api/l_mainmenu.cpp
index 43087c978d..0969bb5258 100644
--- a/src/script/lua_api/l_mainmenu.cpp
+++ b/src/script/lua_api/l_mainmenu.cpp
@@ -385,7 +385,8 @@ int ModApiMainMenu::l_get_content_info(lua_State *L)
 	if (spec.type == "mod") {
 		ModSpec spec;
 		spec.path = path;
-		parseModContents(spec);
+		// TODO return nothing on failure (needs callers to handle it)
+		static_cast<void>(parseModContents(spec));
 
 		// Dependencies
 		lua_newtable(L);