diff --git a/src/fractal.cpp b/src/fractal.cpp
index 1742f84..6626bec 100644
--- a/src/fractal.cpp
+++ b/src/fractal.cpp
@@ -251,9 +251,15 @@ bool generator_t::generate_axiom(etl::ivector<marker_t>& out_markers) {
 bool generator_t::generate_group(group_id_t gid, vec2 pos, mat<2, 2> orient, etl::ivector<marker_t>& out_markers) {
 	const group_output_t& group_output = m_group_outputs[gid];
 
-	if (m_leafs_cur->capacity() < group_output.m_child_leafs.size() ||
-	    m_wleafs_cur->capacity() < group_output.m_child_wleafs.size() ||
-	    out_markers.capacity() < group_output.m_child_markers.size()) {
+	size_t new_leafs_size = m_leafs_cur->size() + group_output.m_child_leafs.size();
+	size_t new_wleafs_size = m_wleafs_cur->size() + group_output.m_child_wleafs.size();
+	size_t new_marker_size = out_markers.size() + group_output.m_child_markers.size();
+
+	bool reached_max_leafs = m_leafs_cur->capacity() < new_leafs_size;
+	bool reached_max_wleafs = m_wleafs_cur->capacity() < new_wleafs_size;
+	bool reached_max_markers = out_markers.capacity() < new_marker_size;
+
+	if (reached_max_leafs || reached_max_wleafs || reached_max_markers) {
 		mlog::debug << "Reached limit" << endl;
 		return false;
 	}