diff --git a/src/Graphics/OpenGLContext/opengl_ColorBufferReaderWithBufferStorage.cpp b/src/Graphics/OpenGLContext/opengl_ColorBufferReaderWithBufferStorage.cpp
index 6b453756..0fc00ba6 100644
--- a/src/Graphics/OpenGLContext/opengl_ColorBufferReaderWithBufferStorage.cpp
+++ b/src/Graphics/OpenGLContext/opengl_ColorBufferReaderWithBufferStorage.cpp
@@ -75,7 +75,7 @@ u8 * ColorBufferReaderWithBufferStorage::readPixels(s32 _x0, s32 _y0, u32 _width
 
 	GLubyte* pixelData = reinterpret_cast<GLubyte*>(m_PBOData[m_curIndex]);
 	if (pixelData == nullptr)
-		return false;
+		return nullptr;
 
 	int widthBytes = _width * colorFormatBytes;
 	int strideBytes = m_pTexture->realWidth * colorFormatBytes;
diff --git a/src/Graphics/OpenGLContext/opengl_ColorBufferReaderWithPixelBuffer.cpp b/src/Graphics/OpenGLContext/opengl_ColorBufferReaderWithPixelBuffer.cpp
index 6cb29596..725458cf 100644
--- a/src/Graphics/OpenGLContext/opengl_ColorBufferReaderWithPixelBuffer.cpp
+++ b/src/Graphics/OpenGLContext/opengl_ColorBufferReaderWithPixelBuffer.cpp
@@ -68,7 +68,7 @@ u8 * ColorBufferReaderWithPixelBuffer::readPixels(s32 _x0, s32 _y0, u32 _width,
 
 	GLubyte* pixelData = (GLubyte*)glMapBufferRange(GL_PIXEL_PACK_BUFFER, 0, m_pTexture->realWidth * _height * colorFormatBytes, GL_MAP_READ_BIT);
 	if (pixelData == nullptr)
-		return false;
+		return nullptr;
 
 	int widthBytes = _width*colorFormatBytes;
 	int strideBytes = m_pTexture->realWidth * colorFormatBytes;