diff --git a/include/hyperion/ImageToLedsMap.h b/include/hyperion/ImageToLedsMap.h
index 71cfc9de..779082ab 100644
--- a/include/hyperion/ImageToLedsMap.h
+++ b/include/hyperion/ImageToLedsMap.h
@@ -154,7 +154,7 @@ namespace hyperion
 		const unsigned _verticalBorder;
 
 		/// The absolute indices into the image for each led
-		std::vector<std::vector<unsigned>> _colorsMap;
+		std::vector<std::vector<int32_t>> _colorsMap;
 
 		///
 		/// Calculates the 'mean color' of the given list. This is the mean over each color-channel
@@ -166,7 +166,7 @@ namespace hyperion
 		/// @return The mean of the given list of colors (or black when empty)
 		///
 		template <typename Pixel_T>
-		ColorRgb calcMeanColor(const Image<Pixel_T> & image, const std::vector<unsigned> & colors) const
+		ColorRgb calcMeanColor(const Image<Pixel_T> & image, const std::vector<int32_t> & colors) const
 		{
 			const auto colorVecSize = colors.size();
 
diff --git a/libsrc/hyperion/Hyperion.cpp b/libsrc/hyperion/Hyperion.cpp
index 149a4458..aee85769 100644
--- a/libsrc/hyperion/Hyperion.cpp
+++ b/libsrc/hyperion/Hyperion.cpp
@@ -580,7 +580,7 @@ void Hyperion::update()
 
 	// copy image & process OR copy ledColors from muxer
 	Image<ColorRgb> image = priorityInfo.image;
-	if(image.size() > 3)
+	if (image.width() > 1 || image.height() > 1)
 	{
 		emit currentImage(image);
 		_ledBuffer = _imageProcessor->process(image);
diff --git a/libsrc/hyperion/ImageProcessor.cpp b/libsrc/hyperion/ImageProcessor.cpp
index cf47425c..e442f086 100644
--- a/libsrc/hyperion/ImageProcessor.cpp
+++ b/libsrc/hyperion/ImageProcessor.cpp
@@ -28,7 +28,7 @@ QString ImageProcessor::mappingTypeToStr(int mappingType)
 
 ImageProcessor::ImageProcessor(const LedString& ledString, Hyperion* hyperion)
 	: QObject(hyperion)
-	, _log(Logger::getInstance("BLACKBORDER"))
+	, _log(Logger::getInstance("IMAGETOLED"))
 	, _ledString(ledString)
 	, _borderProcessor(new BlackBorderProcessor(hyperion, this))
 	, _imageToLeds(nullptr)
diff --git a/libsrc/hyperion/ImageToLedsMap.cpp b/libsrc/hyperion/ImageToLedsMap.cpp
index caebe20b..783fdedd 100644
--- a/libsrc/hyperion/ImageToLedsMap.cpp
+++ b/libsrc/hyperion/ImageToLedsMap.cpp
@@ -59,7 +59,7 @@ ImageToLedsMap::ImageToLedsMap(
 		const auto maxYLedCount = qMin(maxY_idx, yOffset+actualHeight);
 		const auto maxXLedCount = qMin(maxX_idx, xOffset+actualWidth);
 
-		std::vector<unsigned> ledColors;
+		std::vector<int32_t> ledColors;
 		ledColors.reserve((size_t) maxXLedCount*maxYLedCount);
 
 		for (unsigned y = minY_idx; y < maxYLedCount; ++y)
diff --git a/libsrc/leddevice/dev_other/LedDeviceFile.cpp b/libsrc/leddevice/dev_other/LedDeviceFile.cpp
index bb26a371..0dba14d8 100644
--- a/libsrc/leddevice/dev_other/LedDeviceFile.cpp
+++ b/libsrc/leddevice/dev_other/LedDeviceFile.cpp
@@ -114,7 +114,7 @@ int LedDeviceFile::write(const std::vector<ColorRgb> & ledValues)
 	}
 
 	#if (QT_VERSION >= QT_VERSION_CHECK(5, 14, 0))
-		out << "]" << Qt::endl;
+		out << QString("]") << Qt::endl;
 	#else
 		out << "]" << endl;
 	#endif