diff --git a/LEGO1/lego/legoomni/include/registrationbook.h b/LEGO1/lego/legoomni/include/registrationbook.h
index 5ff61bdd..c7210320 100644
--- a/LEGO1/lego/legoomni/include/registrationbook.h
+++ b/LEGO1/lego/legoomni/include/registrationbook.h
@@ -68,7 +68,7 @@ class RegistrationBook : public LegoWorld {
 	MxLong HandleKeyPress(MxS8 p_key);
 	MxLong HandleClick(LegoControlManagerEvent& p_param);
 	MxLong HandleNotification19(MxParam& p_param);
-	void FUN_100775c(MxS16 p_playerIndex);
+	void FUN_100775c0(MxS16 p_playerIndex);
 };
 
 #endif // REGISTRATIONBOOK_H
diff --git a/LEGO1/lego/legoomni/src/worlds/registrationbook.cpp b/LEGO1/lego/legoomni/src/worlds/registrationbook.cpp
index b7e510cf..2d057441 100644
--- a/LEGO1/lego/legoomni/src/worlds/registrationbook.cpp
+++ b/LEGO1/lego/legoomni/src/worlds/registrationbook.cpp
@@ -148,14 +148,14 @@ MxLong RegistrationBook::HandleClick(LegoControlManagerEvent& p_param)
 					break;
 				}
 			}
-			FUN_100775c(i);
+			FUN_100775c0(i);
 		}
 	}
 	return 1;
 }
 
 // STUB: LEGO1 0x100775c0
-void RegistrationBook::FUN_100775c(MxS16 p_playerIndex)
+void RegistrationBook::FUN_100775c0(MxS16 p_playerIndex)
 {
 }