diff --git a/src/smallmap_gui.cpp b/src/smallmap_gui.cpp
index efb3d8df7a..84faaefe07 100644
--- a/src/smallmap_gui.cpp
+++ b/src/smallmap_gui.cpp
@@ -544,7 +544,7 @@ static inline uint32 GetSmallMapOwnerPixels(TileIndex tile, TileType t)
 		 */
 	}
 
-	if ((o <= MAX_COMPANIES && !_legend_land_owners[_company_to_list_pos[o]].show_on_map) || o == OWNER_NONE) {
+	if ((o < MAX_COMPANIES && !_legend_land_owners[_company_to_list_pos[o]].show_on_map) || o == OWNER_NONE) {
 		const SmallMapColourScheme *cs = &_heightmap_schemes[_settings_client.gui.smallmap_land_colour];
 		return _smallmap_show_heightmap ? cs->height_colours[TileHeight(tile)] : cs->default_colour;
 	} else if (o == OWNER_WATER) {