diff --git a/src/platform/qt/BattleChipModel.cpp b/src/platform/qt/BattleChipModel.cpp
index 1e6452e66..2acbd9b7f 100644
--- a/src/platform/qt/BattleChipModel.cpp
+++ b/src/platform/qt/BattleChipModel.cpp
@@ -51,7 +51,7 @@ bool BattleChipModel::removeRows(int row, int count, const QModelIndex& parent)
 		return false;
 	}
 	beginRemoveRows(QModelIndex(), row, row + count - 1);
-	for (size_t i = 0; i < count; ++i) {
+	for (int i = 0; i < count; ++i) {
 		m_deck.removeAt(row);
 	}
 	endRemoveRows();
diff --git a/src/platform/qt/InputController.h b/src/platform/qt/InputController.h
index 6d013af88..50729952b 100644
--- a/src/platform/qt/InputController.h
+++ b/src/platform/qt/InputController.h
@@ -153,7 +153,7 @@ private:
 		QImage resizedImage;
 		bool outOfDate;
 		QMutex mutex;
-		unsigned w, h;
+		int w, h;
 	} m_image;
 
 #ifdef BUILD_QT_MULTIMEDIA