diff --git a/fsdev/virtfs-proxy-helper.c b/fsdev/virtfs-proxy-helper.c
index f9a8270..b34a84a 100644
--- a/fsdev/virtfs-proxy-helper.c
+++ b/fsdev/virtfs-proxy-helper.c
@@ -290,8 +290,12 @@ static int setfsugid(int uid, int gid)
         CAP_DAC_OVERRIDE,
     };
 
-    setfsgid(gid);
-    setfsuid(uid);
+    if (setfsgid(gid) != 0) {
+        return -1;
+    }
+    if (setfsuid(uid) != 0) {
+        return -1;
+    }
 
     if (uid != 0 || gid != 0) {
         return do_cap_set(cap_list, ARRAY_SIZE(cap_list), 0);