diff --git a/fs_mgr/fs_mgr_roots.cpp b/fs_mgr/fs_mgr_roots.cpp
index 58ef9b6..1e65587 100644
--- a/fs_mgr/fs_mgr_roots.cpp
+++ b/fs_mgr/fs_mgr_roots.cpp
@@ -101,7 +101,9 @@
         }
     }
 
-    auto mounted = GetMountState(rec->mount_point);
+    const std::string mount_point = mount_pt.empty() ? rec->mount_point : mount_pt;
+
+    auto mounted = GetMountState(mount_point);
     if (mounted == MountState::ERROR) {
         return false;
     }
@@ -109,8 +111,6 @@
         return true;
     }
 
-    const std::string mount_point = mount_pt.empty() ? rec->mount_point : mount_pt;
-
     static const std::vector<std::string> supported_fs{"ext4", "squashfs", "vfat", "f2fs", "none"};
     if (std::find(supported_fs.begin(), supported_fs.end(), rec->fs_type) == supported_fs.end()) {
         LERROR << "unknown fs_type \"" << rec->fs_type << "\" for " << mount_point;