diff --git a/ffi/src/errors.rs b/ffi/src/errors.rs
index 406e919..668b923 100644
--- a/ffi/src/errors.rs
+++ b/ffi/src/errors.rs
@@ -44,6 +44,7 @@ pub enum IdeviceErrorCode {
     InvalidArgument = -36,
     UnknownErrorType = -37,
     // FFI specific bindings
+    AdapterIOFailed = -996,
     ServiceNotFound = -997,
     BufferTooSmall = -998,
     InvalidString = -999,