diff --git a/include/image/utils.h b/include/image/utils.h
index 29e0777..1194055 100644
--- a/include/image/utils.h
+++ b/include/image/utils.h
@@ -1,13 +1,13 @@
 #ifndef UTILS_H
 #define UTILS_H
 
-#define BYTE_A 0xFF000000
-#define BYTE_R 0x00FF0000
-#define BYTE_G 0x0000FF00
-#define BYTE_B 0x000000FF
-#define BYTE_RGB 0x00FFFFFF
-#define BYTE 0xFF
-#define LONG_BYTE 0xFFFF
+#define BYTE_A 0xFF000000u
+#define BYTE_R 0x00FF0000u
+#define BYTE_G 0x0000FF00u
+#define BYTE_B 0x000000FFu
+#define BYTE_RGB 0x00FFFFFFu
+#define BYTE 0xFFu
+#define LONG_BYTE 0xFFFFu
 
 #define SHIFT_8 8
 #define SHIFT_16 16
@@ -29,9 +29,15 @@
 	(((unsigned int)(a) << SHIFT_24) | ((unsigned int)(r) << SHIFT_16) | \
 	 ((unsigned int)(g) << SHIFT_8) | (unsigned int)(b))
 
-#define ENCODE_BGRA(b, g, r, a)                                              \
-	(((unsigned int)(b) << SHIFT_24) | ((unsigned int)(g) << SHIFT_16) | \
-	 ((unsigned int)(r) << SHIFT_8) | (unsigned int)(a))
+#define ENCODE_BGRA(r, g, b, a) \
+    (((unsigned int)(a) << 24) | \
+     ((unsigned int)(r) << 16) | \
+     ((unsigned int)(g) << 8)  | \
+     ((unsigned int)(b) << 0))
+
+// #define ENCODE_BGRA(b, g, r, a)                                              \
+// 	(((unsigned int)(b) << SHIFT_24) | ((unsigned int)(g) << SHIFT_16) | \
+// 	 ((unsigned int)(r) << SHIFT_8) | (unsigned int)(a))
 
 #define CLAMP_MAX(x) (((x) > MAX) ? MAX : (x))
 #define CLAMP_MIN(x) (((x) < 0) ? 0 : (x))