diff --git a/data/ai/lua/generic_rush_engine.lua b/data/ai/lua/generic_rush_engine.lua
index 47ec78e3ed14..761e68b89bb5 100644
--- a/data/ai/lua/generic_rush_engine.lua
+++ b/data/ai/lua/generic_rush_engine.lua
@@ -578,7 +578,7 @@ return {
             if target then
                 local x, y = wesnoth.find_vacant_tile(target[1], target[2], unit)
                 local dest = AH.next_hop(unit, x, y)
-                AH.checked_move(ai, unit, dest[1], dest[2])
+                if dest then AH.checked_move(ai, unit, dest[1], dest[2]) end
             end
         end