--- misc/pixman/pixman/pixman-solid-fill.c
+++ misc/build/pixman/pixman/pixman-solid-fill.c
@@ -30,10 +30,10 @@ static uint32_t
 color_to_uint32 (const pixman_color_t *color)
 {
     return
-        (color->alpha >> 8 << 24) |
-        (color->red >> 8 << 16) |
+        ((uint32_t)color->alpha >> 8 << 24) |
+        ((uint32_t)color->red >> 8 << 16) |
         (color->green & 0xff00) |
-        (color->blue >> 8);
+        ((uint32_t)color->blue >> 8);
 }
 
 static argb_t