diff --git a/src/ai/api/ai_bridge.hpp.sq b/src/ai/api/ai_bridge.hpp.sq
--- a/src/ai/api/ai_bridge.hpp.sq
+++ b/src/ai/api/ai_bridge.hpp.sq
@@ -28,7 +28,7 @@ void SQAIBridge_Register(Squirrel *engin
 
 	AIError::RegisterErrorMap(STR_ERROR_CAN_T_BUILD_BRIDGE_HERE,  AIBridge::ERR_BRIDGE_TYPE_UNAVAILABLE);
 	AIError::RegisterErrorMap(STR_ERROR_ENDS_OF_BRIDGE_MUST_BOTH, AIBridge::ERR_BRIDGE_CANNOT_END_IN_WATER);
-	AIError::RegisterErrorMap(STR_BRIDGEHEADS_NOT_SAME_HEIGHT,    AIBridge::ERR_BRIDGE_HEADS_NOT_ON_SAME_HEIGHT);
+	AIError::RegisterErrorMap(STR_ERROR_BRIDGEHEADS_NOT_SAME_HEIGHT,    AIBridge::ERR_BRIDGE_HEADS_NOT_ON_SAME_HEIGHT);
 
 	AIError::RegisterErrorMapString(AIBridge::ERR_BRIDGE_TYPE_UNAVAILABLE,         "ERR_BRIDGE_TYPE_UNAVAILABLE");
 	AIError::RegisterErrorMapString(AIBridge::ERR_BRIDGE_CANNOT_END_IN_WATER,      "ERR_BRIDGE_CANNOT_END_IN_WATER");