diff --git a/src/Main/FrameBuffer.cpp b/src/Main/FrameBuffer.cpp
index d0216a8..17563ca 100644
--- a/src/Main/FrameBuffer.cpp
+++ b/src/Main/FrameBuffer.cpp
@@ -158,6 +158,8 @@
 			return;
 		}
 
+		sourceFormat = format;
+
 		if(topLeftOrigin)
 		{
 			target = source;
@@ -171,8 +173,6 @@
 			target = (byte*)source + (height - 1) * sStride;
 		}
 
-		sourceFormat = format;
-
 		cursorX = cursorPositionX - cursorHotspotX;
 		cursorY = cursorPositionY - cursorHotspotY;