diff --git a/openbsc/src/libbsc/abis_rsl.c b/openbsc/src/libbsc/abis_rsl.c
index 2ce900c..c8bfbb6 100644
--- a/openbsc/src/libbsc/abis_rsl.c
+++ b/openbsc/src/libbsc/abis_rsl.c
@@ -1601,9 +1601,8 @@
 	case GSM48_CMODE_SPEECH_AMR:
 		switch (lchan->type) {
 		case GSM_LCHAN_TCH_F:
-			return RTP_PT_AMR_FULL;
 		case GSM_LCHAN_TCH_H:
-			return RTP_PT_AMR_HALF;
+			return RTP_PT_AMR;
 		default:
 			break;
 		}