diff --git a/src/util/u_endian.h b/src/util/u_endian.h
index b9d563dd435..7bbd7dc2153 100644
--- a/src/util/u_endian.h
+++ b/src/util/u_endian.h
@@ -54,7 +54,8 @@
 # define PIPE_ARCH_BIG_ENDIAN
 #endif
 
-#elif defined(__OpenBSD__) || defined(__NetBSD__)
+#elif defined(__OpenBSD__) || defined(__NetBSD__) || \
+      defined(__FreeBSD__) || defined(__DragonFly__)
 #include <sys/types.h>
 #include <machine/endian.h>