diff --git a/src/game/boe.main.cpp b/src/game/boe.main.cpp
index 171430c0..f44d1a2d 100644
--- a/src/game/boe.main.cpp
+++ b/src/game/boe.main.cpp
@@ -1455,7 +1455,10 @@ void handle_one_minimap_event(const sf::Event& event) {
 		tile.y += (y - (29 * get_ui_scale_map())) / get_ui_scale_map() / 6;
 
 		std::string tooltip_text = "";
-		if(is_explored(tile.x, tile.y)){
+		bool is_on_map;
+		if(is_out()) is_on_map = tile.x >= 0 && tile.y >= 0 && tile.x < 48 && tile.y < 48;
+		else is_on_map = univ.town->is_on_map(tile);
+		if(is_on_map && is_explored(tile.x, tile.y)){
 			// Area rectangle hovered
 			const std::vector<info_rect_t>& area_desc = is_out() ? univ.out->area_desc : univ.town->area_desc;
 			for(info_rect_t area : area_desc){