diff --git a/MetadataCrypt.cpp b/MetadataCrypt.cpp
index dc50679..b1c5afc 100644
--- a/MetadataCrypt.cpp
+++ b/MetadataCrypt.cpp
@@ -49,6 +49,7 @@
 
 using android::fs_mgr::FstabEntry;
 using android::fs_mgr::GetEntryForMountPoint;
+using android::fscrypt::GetFirstApiLevel;
 using android::vold::KeyBuffer;
 using namespace android::dm;