Index: head/usr.bin/ldd/ldd.c
===================================================================
--- head/usr.bin/ldd/ldd.c
+++ head/usr.bin/ldd/ldd.c
@@ -48,8 +48,8 @@
 
 #include "extern.h"
 
-/* We don't support a.out executables on arm64 */
-#ifndef __aarch64__
+/* We don't support a.out executables on arm64 and riscv */
+#if !defined(__aarch64__) && !defined(__riscv__)
 #include <a.out.h>
 #define	AOUT_SUPPORTED
 #endif