diff --git a/control/json/event.cpp b/control/json/event.cpp
index 0e7f1e5..fa3502d 100644
--- a/control/json/event.cpp
+++ b/control/json/event.cpp
@@ -90,8 +90,8 @@
     }
 }
 
-std::map<configKey, std::unique_ptr<Group>>&
-    Event::getAllGroups(bool loadGroups)
+std::map<configKey, std::unique_ptr<Group>>& Event::getAllGroups(
+    bool loadGroups)
 {
     if (allGroups.empty() && loadGroups)
     {