diff --git a/configs/sam3u-ek/src/up_lcd.c b/configs/sam3u-ek/src/up_lcd.c
index c4f0506b660..a966c72a07e 100755
--- a/configs/sam3u-ek/src/up_lcd.c
+++ b/configs/sam3u-ek/src/up_lcd.c
@@ -167,10 +167,10 @@
 
 /* Graphics Capbilities ***************************************************************/
 
-/* LCD resolution */
+/* LCD resolution: 240 (row) x 320 (columns) */
 
-#define SAM3UEK_XRES         320
-#define SAM3UEK_YRES         240
+#define SAM3UEK_XRES         240
+#define SAM3UEK_YRES         320
 
 /* Color depth and format. BPP=16 R=6, G=6, B=5: RRRR RBBB BBBG GGGG */
 
diff --git a/graphics/nxglib/lcd/nxglib_fillrectangle.c b/graphics/nxglib/lcd/nxglib_fillrectangle.c
index 9bb7606b610..e3668c0ea89 100755
--- a/graphics/nxglib/lcd/nxglib_fillrectangle.c
+++ b/graphics/nxglib/lcd/nxglib_fillrectangle.c
@@ -106,6 +106,6 @@ void NXGL_FUNCNAME(nxgl_fillrectangle,NXGLIB_SUFFIX)
     {
       /* Draw the raster line at this row */
 
-      (void)pinfo->putrun(row, rect->pt2.x, pinfo->buffer, ncols);
+      (void)pinfo->putrun(row, rect->pt1.x, pinfo->buffer, ncols);
     }
 }