diff --git a/include/osmocom/abis/e1_input.h b/include/osmocom/abis/e1_input.h
index 8230e44..ee33ae6 100644
--- a/include/osmocom/abis/e1_input.h
+++ b/include/osmocom/abis/e1_input.h
@@ -49,7 +49,7 @@
 
 	enum e1inp_sign_type type;
 
-	/* trx for msg->trx of received msgs */	
+	/* trx for msg->trx of received msgs */
 	struct gsm_bts_trx *trx;
 
 	/* msgb queue of to-be-transmitted msgs */