diff --git a/libc3/buf_inspect.c b/libc3/buf_inspect.c
index 8c8d46b..aaf9b21 100644
--- a/libc3/buf_inspect.c
+++ b/libc3/buf_inspect.c
@@ -345,9 +345,10 @@ sw buf_inspect_call_op (s_buf *buf, const s_call *call, s8 op_precedence)
return result;
}
-sw buf_inspect_call_op_size (const s_call *call)
+sw buf_inspect_call_op_size (const s_call *call, s8 op_precedence)
{
(void) call;
+ (void) op_precedence;
return -1;
}