diff --git a/libs/util/include/psemek/util/atlas.hpp b/libs/util/include/psemek/util/atlas.hpp
index c93139d6..5c9c0076 100644
--- a/libs/util/include/psemek/util/atlas.hpp
+++ b/libs/util/include/psemek/util/atlas.hpp
@@ -53,14 +53,24 @@ namespace psemek::util
 			part.begin[1] = 0;
 			part.end[1] = part_height;
 
-			std::size_t new_width = std::max(array_.width(), free_start_ + part_width);
-			std::size_t new_height = std::max(array_.height(), part_height);
+			std::size_t new_width = array_.width();
+			std::size_t new_height = array_.height();
 
-			if (new_width > array_.width())
-				new_width = std::max(new_width, array_.width() * 2);
+			while (new_width < free_start_ + part_width)
+			{
+				if (new_width == 0)
+					new_width = 1;
+				else
+					new_width *= 2;
+			}
 
-			if (new_height > array_.height())
-				new_height = std::max(new_height, array_.height() * 2);
+			while (new_height < part_height)
+			{
+				if (new_height == 0)
+					new_height = 1;
+				else
+					new_height *= 2;
+			}
 
 			array_.resize({new_width, new_height}, default_value_);