diff --git a/spice.proto b/spice.proto
index 2ef4dd6..315ab91 100644
--- a/spice.proto
+++ b/spice.proto
@@ -934,6 +934,8 @@ channel InputsChannel : BaseChannel {
 	keyboard_modifier_flags modifiers;
     } @ctype(SpiceMsgcKeyModifiers) key_modifiers;
 
+    Data key_scancode;
+
     message {
 	int32 dx;
 	int32 dy;