diff --git a/src/frame.c b/src/frame.c
index 0886182..f187f21 100644
--- a/src/frame.c
+++ b/src/frame.c
@@ -256,6 +256,8 @@ ssize_t patty_ax25_frame_decode_control(patty_ax25_frame *frame,
         case PATTY_AX25_FRAME_I:
         case PATTY_AX25_FRAME_UI:
             frame->proto   = buf[offset++];
+
+        case PATTY_AX25_FRAME_TEST:
             frame->info    = buf + offset;
             frame->infolen = len - offset;