--- a/util/indexedbheap.lua	Mon Jun 15 14:16:34 2020 +0100
+++ b/util/indexedbheap.lua	Tue Sep 29 21:27:16 2020 -0500
@@ -23,7 +23,7 @@
 	local tmp_sync = sync[k];
 	while k ~= 1 do
 		local parent = math_floor(k/2);
-		if tmp < self[parent] then break; end
+		if tmp >= self[parent] then break; end
 		self[k] = self[parent];
 		sync[k] = sync[parent];
 		index[sync[k]] = k;