--- rxvt-unicode/src/rxvtimg.C	2012/06/07 20:26:21	1.55
+++ rxvt-unicode/src/rxvtimg.C	2012/06/07 20:31:26	1.56
@@ -123,10 +123,7 @@
 
             uint32_t v = (r << 16) | (g << 8) | b;
             
-            if (ecb_big_endian ())
-              v = ecb_bswap32 (v);
-
-            if (byte_order_mismatch)
+            if (ecb_big_endian () ? !byte_order_mismatch : byte_order_mismatch)
               v = ecb_bswap32 (v);
 
             *dst++ = v;