diff --git a/src/saveload/group_sl.cpp b/src/saveload/group_sl.cpp
--- a/src/saveload/group_sl.cpp
+++ b/src/saveload/group_sl.cpp
@@ -18,9 +18,9 @@
 #include "../safeguards.h"
 
 static const SaveLoad _group_desc[] = {
-	 SLE_CONDVAR(Group, name,               SLE_NAME,                       0,  83),
+	 SLE_CONDVAR(Group, name,               SLE_NAME,                       0,  84),
 	 SLE_CONDSTR(Group, name,               SLE_STR | SLF_ALLOW_CONTROL, 0, 84, SL_MAX_VERSION),
-	SLE_CONDNULL(2,                                                         0,  163), // num_vehicle
+	SLE_CONDNULL(2,                                                         0,  164), // num_vehicle
 	     SLE_VAR(Group, owner,              SLE_UINT8),
 	     SLE_VAR(Group, vehicle_type,       SLE_UINT8),
 	     SLE_VAR(Group, replace_protection, SLE_BOOL),