diff --git a/net-mgmt/driftnet/files/patch-src_display_img.h b/net-mgmt/driftnet/files/patch-src_display_img.h
new file mode 100644
index 000000000000..272fc42f0a6e
--- /dev/null
+++ b/net-mgmt/driftnet/files/patch-src_display_img.h
@@ -0,0 +1,10 @@
+--- src/display/img.h.orig	2023-07-15 23:49:00 UTC
++++ src/display/img.h
+@@ -69,6 +69,7 @@ typedef uint32_t pel;
+ #   define GETB(p)             ((chan)(((p) & (pel)0xff000000) >> 24))
+ #   define GETA(p)             ((chan)(((p) & (pel)0x000000ff)      ))
+ #endif
++#else
+ #   error "no endianness defined"
+ #endif
+