diff --git a/linux-user/strace.c b/linux-user/strace.c
index 7bccb4f0c0..5027289bdd 100644
--- a/linux-user/strace.c
+++ b/linux-user/strace.c
@@ -1057,6 +1057,8 @@ UNUSED static const struct flags mmap_flags[] = {
 #ifdef TARGET_MAP_UNINITIALIZED
     FLAG_TARGET(MAP_UNINITIALIZED),
 #endif
+    FLAG_TARGET(MAP_HUGETLB),
+    FLAG_TARGET(MAP_STACK),
     FLAG_END,
 };