diff --git a/openbsc/src/nat/bsc_nat.c b/openbsc/src/nat/bsc_nat.c
index 609a17d..7a44d17 100644
--- a/openbsc/src/nat/bsc_nat.c
+++ b/openbsc/src/nat/bsc_nat.c
@@ -112,7 +112,7 @@
 		return;
 	}
 
-	if (bsc_nat_filter_ipa(msg, parsed))
+	if (bsc_nat_filter_ipa(DIR_BSC, msg, parsed))
 		goto exit;
 
 	/* currently send this to every BSC connected */
@@ -189,7 +189,7 @@
 		return -1;
 	}
 
-	if (bsc_nat_filter_ipa(msg, parsed))
+	if (bsc_nat_filter_ipa(DIR_MSC, msg, parsed))
 		goto exit;
 
 	/* send the non-filtered but maybe modified msg */