diff --git a/misc.c b/misc.c
index 5e5ca71..965cc07 100644
--- a/misc.c
+++ b/misc.c
@@ -258,7 +258,10 @@ runon(int argc, const char *argv[], const struct cmd_info *info)
 	return -1;
 }
 
+#ifdef ARCH_X86
 MAKE_PREREQ_PARAMS_VAR_ARGS(cpuid_params, 3, 4, "<cpu> <function> [index]", 0);
+#endif /* ARCH_X86 */
+
 MAKE_PREREQ_PARAMS_VAR_ARGS(runon_params, 3, INT_MAX, "<cpu> <cmd> [args]", 0);
 
 static const struct cmd_info misc_cmds[] = {