diff --git a/graphics/nxwidgets/src/cscaledbitmap.cxx b/graphics/nxwidgets/src/cscaledbitmap.cxx
index 063e0e3eb..351575843 100644
--- a/graphics/nxwidgets/src/cscaledbitmap.cxx
+++ b/graphics/nxwidgets/src/cscaledbitmap.cxx
@@ -433,7 +433,7 @@ bool CScaledBitmap::scaleColor(FAR const struct rgbcolor_s &incolor1,
                                FAR const struct rgbcolor_s &incolor2,
                                b16_t fraction, FAR struct rgbcolor_s &outcolor)
 {
-  uint8_t component;
+  uint32_t component;
   b16_t red;
   b16_t green;
   b16_t blue;