Index: source/blender/compositor/operations/COM_CompositorOperation.cpp
===================================================================
--- source/blender/compositor/operations/COM_CompositorOperation.cpp	(revision 55012)
+++ source/blender/compositor/operations/COM_CompositorOperation.cpp	(working copy)
@@ -138,7 +138,7 @@
 	bool breaked = false;
 
 	for (y = y1; y < y2 && (!breaked); y++) {
-		for (x = x1; x < x2 && (!breaked); x++) {
+		for (x = x1; x < x2; x++) {
 			this->m_imageInput->read(color, x, y, COM_PS_NEAREST);
 			if (this->m_ignoreAlpha) {
 				color[3] = 1.0f;
@@ -157,10 +157,10 @@
 			}
 			offset4 += COM_NUMBER_OF_CHANNELS;
 			offset++;
-			if (isBreaked()) {
-				breaked = true;
-			}
 		}
+		if (isBreaked()) {
+			breaked = true;
+		}
 		offset += add;
 		offset4 += add * COM_NUMBER_OF_CHANNELS;
 	}