diff --git a/repos/libports/src/drivers/framebuffer/vesa/main.cc b/repos/libports/src/drivers/framebuffer/vesa/main.cc
index a995e9289..84d9a0dbb 100644
--- a/repos/libports/src/drivers/framebuffer/vesa/main.cc
+++ b/repos/libports/src/drivers/framebuffer/vesa/main.cc
@@ -111,8 +111,8 @@ namespace Framebuffer {
 				if (!bypp) return;
 
 				/* copy pixels from back buffer to physical frame buffer */
-				char *src = (char *)_bb_addr + bypp*(_scr_width*y + x),
-				     *dst = (char *)_fb_addr + bypp*(_scr_width*y + x);
+				char *src = (char *)_bb_addr + bypp*(_scr_width*y1 + x1),
+				     *dst = (char *)_fb_addr + bypp*(_scr_width*y1 + x1);
 
 				blit(src, bypp*_scr_width, dst, bypp*_scr_width,
 				     bypp*(x2 - x1 + 1), y2 - y1 + 1);
diff --git a/repos/os/src/drivers/framebuffer/imx53/main.cc b/repos/os/src/drivers/framebuffer/imx53/main.cc
index ee0c1fc01..18a63d6d6 100644
--- a/repos/os/src/drivers/framebuffer/imx53/main.cc
+++ b/repos/os/src/drivers/framebuffer/imx53/main.cc
@@ -57,8 +57,8 @@ class Framebuffer::Session_component :
 			int bypp = _mode.bytes_per_pixel();
 
 			/* copy pixels from back buffer to physical frame buffer */
-			char *src = (char *)_bb_addr + bypp*(_mode.width()*y + x),
-			     *dst = (char *)_fb_addr + bypp*(_mode.width()*y + x);
+			char *src = (char *)_bb_addr + bypp*(_mode.width()*y1 + x1),
+			     *dst = (char *)_fb_addr + bypp*(_mode.width()*y1 + x1);
 
 			blit(src, bypp*_mode.width(), dst, bypp*_mode.width(),
 				 bypp*(x2 - x1 + 1), y2 - y1 + 1);