diff --git a/src/system/inet.139 b/src/system/inet.139
index 316c5847..f0805f2f 100644
--- a/src/system/inet.139
+++ b/src/system/inet.139
@@ -537,9 +537,11 @@ IFE KS10P,[
 	; IMP-specific!!!
 	; Ask interface if it wants this particular datagram right now.
 	;
+IFE KA10P,[
+	; This is not defined in IMPOLD WTHNCP.
 	CALL IMPCTS
 	 JRST IPGOQ5		; Can't send, requeue
-
+]
 	; Got valid dgm, must ensure that block queue is merged back
 	; onto beginning of output queue.
 IPGOQ6:	METER("IP: ODs sent")