diff --git a/src/saveload/saveload.h b/src/saveload/saveload.h
--- a/src/saveload/saveload.h
+++ b/src/saveload/saveload.h
@@ -289,6 +289,7 @@ enum SaveLoadVersion : uint16 {
 	SLV_SHIP_ROTATION,                      ///< 204  PR#7065 Add extra rotation stages for ships.
 
 	SLV_GROUP_LIVERIES,                     ///< 205  PR#7108 Livery storage change and group liveries.
+	SLV_SHIPS_STOP_IN_LOCKS,                ///< 206  PR#7150 Ship/lock movement changes.
 
 	SL_MAX_VERSION,                         ///< Highest possible saveload version
 };