diff --git a/libs/util/include/psemek/util/atlas.hpp b/libs/util/include/psemek/util/atlas.hpp
index 75e33724..c93139d6 100644
--- a/libs/util/include/psemek/util/atlas.hpp
+++ b/libs/util/include/psemek/util/atlas.hpp
@@ -48,16 +48,24 @@ namespace psemek::util
 			std::size_t part_height = data.height() + padding_ * 2;
 
 			atlas_part part;
-			part.begin[0] = array_.width();
+			part.begin[0] = free_start_;
 			part.end[0] = part.begin[0] + part_width;
 			part.begin[1] = 0;
 			part.end[1] = part_height;
 
-			std::size_t new_width = array_.width() + part_width;
+			std::size_t new_width = std::max(array_.width(), free_start_ + part_width);
 			std::size_t new_height = std::max(array_.height(), part_height);
 
+			if (new_width > array_.width())
+				new_width = std::max(new_width, array_.width() * 2);
+
+			if (new_height > array_.height())
+				new_height = std::max(new_height, array_.height() * 2);
+
 			array_.resize({new_width, new_height}, default_value_);
 
+			free_start_ += part_width;
+
 			for (std::size_t y = 0; y < part_height; ++y)
 			{
 				for (std::size_t x = 0; x < part_width; ++x)
@@ -109,6 +117,7 @@ namespace psemek::util
 		padding_mode const padding_mode_;
 		std::map<Key, atlas_part, Compare> data_;
 		util::array<T, 2> array_;
+		std::size_t free_start_ = 0;
 	};
 
 }