diff --git a/include/uapi/misc/habanalabs.h b/include/uapi/misc/habanalabs.h
index 52540d5b4fc9..6d2ccc09dcf2 100644
--- a/include/uapi/misc/habanalabs.h
+++ b/include/uapi/misc/habanalabs.h
@@ -949,6 +949,7 @@ struct hl_cs_in {
 
 	/* Context ID - Currently not in use */
 	__u32 ctx_id;
+	__u8 pad[4];
 };
 
 struct hl_cs_out {