diff --git a/src/scenedit/scen.fileio.cpp b/src/scenedit/scen.fileio.cpp
index e0987971..1fc0592f 100644
--- a/src/scenedit/scen.fileio.cpp
+++ b/src/scenedit/scen.fileio.cpp
@@ -863,9 +863,9 @@ void writeTownToXml(ticpp::Printer&& data, cTown& town) {
 		data.CloseElement("wandering");
 	}
 	// The vector may contain empty slots at the end for undo/redo purposes, but don't save them.
-	size_t last_item = town.preset_items.size() - 1;
+	int last_item = town.preset_items.size() - 1;
 	while(last_item >= 0 && ((town.preset_items.size() <= last_item) || town.preset_items[last_item].code < 0)) --last_item;
-	for(size_t i = 0; i <= last_item; ++i) {
+	for(int i = 0; i <= last_item; ++i) {
 		const cTown::cItem& item = town.preset_items[i];
 		data.OpenElement("item");
 		data.PushAttribute("id", i);
@@ -883,9 +883,9 @@ void writeTownToXml(ticpp::Printer&& data, cTown& town) {
 		data.CloseElement("item");
 	}
 	// The vector may contain empty slots at the end for undo/redo purposes, but don't save them.
-	size_t last_creature = town.creatures.size() - 1;
+	int last_creature = town.creatures.size() - 1;
 	while(last_creature >= 0 && ((town.creatures.size() <= last_creature) || town.creatures[last_creature].number <= 0)) --last_creature;
-	for(size_t i = 0; i <= last_creature; ++i) {
+	for(int i = 0; i <= last_creature; ++i) {
 		data.OpenElement("creature");
 		data.PushAttribute("id", i);
 		cTownperson& preset = town.creatures[i];