diff --git a/lib/linux/waitpid.c b/lib/linux/waitpid.c
index 49d9c188..693e3dfa 100644
--- a/lib/linux/waitpid.c
+++ b/lib/linux/waitpid.c
@@ -27,7 +27,7 @@ waitpid (pid_t pid, int *status_ptr, int options)
 {
 #if __i386__
   return _sys_call3 (SYS_waitpid, (long) pid, (long) status_ptr, (int) options);
-#elif __x86_64__
+#elif __x86_64__ || __arm__
   return _sys_call4 (SYS_wait4, (long) pid, (long) status_ptr, (int) options, 0);
 #else
 #error arch not supported