diff --git a/gui/launcher.cpp b/gui/launcher.cpp
index bf97a251ae1..a6bb513e8b7 100644
--- a/gui/launcher.cpp
+++ b/gui/launcher.cpp
@@ -1027,7 +1027,7 @@ void LauncherSimple::groupEntries(const Array<const Common::ConfigManager::Domai
 	U32StringArray attrs;
 	switch (_groupBy) {
 	case kGroupByFirstLetter:
-		for (int i = 0; i < metadata.size(); ++i) {
+		for (uint i = 0; i < metadata.size(); ++i) {
 			attrs.push_back(metadata[i]->getVal("description").substr(0, 1));
 		}
 		_list->setGroupHeaderFormat(U32String(""), U32String("..."));
@@ -1035,7 +1035,7 @@ void LauncherSimple::groupEntries(const Array<const Common::ConfigManager::Domai
 		_list->groupByAttribute();
 		break;
 	case kGroupByEngine:
-		for (int i = 0; i < metadata.size(); ++i) {
+		for (uint i = 0; i < metadata.size(); ++i) {
 			U32String engineid = metadata[i]->contains(String("engineid")) ?
 								metadata[i]->getVal(String("engineid")) : String("Unknown Engine");
 			attrs.push_back(engineid);
@@ -1045,7 +1045,7 @@ void LauncherSimple::groupEntries(const Array<const Common::ConfigManager::Domai
 		_list->groupByAttribute();
 		break;
 	case kGroupByLanguage:
-		for (int i = 0; i < metadata.size(); ++i) {
+		for (uint i = 0; i < metadata.size(); ++i) {
 			U32String engineid = metadata[i]->contains(String("language")) ?
 								metadata[i]->getVal(String("language")) : String("Language not set");
 			attrs.push_back(engineid);
@@ -1055,7 +1055,7 @@ void LauncherSimple::groupEntries(const Array<const Common::ConfigManager::Domai
 		_list->groupByAttribute();
 		break;
 	case kGroupByPlatform:
-		for (int i = 0; i < metadata.size(); ++i) {
+		for (uint i = 0; i < metadata.size(); ++i) {
 			U32String engineid = metadata[i]->contains(String("Platform")) ?
 								metadata[i]->getVal(String("Platform")) : String("Platform not set");
 			attrs.push_back(engineid);
diff --git a/gui/widgets/groupedlist.cpp b/gui/widgets/groupedlist.cpp
index e1894457b57..993c5496f7e 100644
--- a/gui/widgets/groupedlist.cpp
+++ b/gui/widgets/groupedlist.cpp
@@ -113,7 +113,7 @@ void GroupedListWidget::groupByAttribute() {
 		_groupExpanded.push_back(true);
 		_groupHeaders.push_back(String("All"));
 		_groupValueIndex.setVal(String("All"), 0);
-		for (int i = 0; i < _dataList.size(); ++i) {
+		for (uint i = 0; i < _dataList.size(); ++i) {
 			_itemsInGroup[0].push_back(i);
 		}
 		sortGroups();