diff --git a/src/bts.cpp b/src/bts.cpp
index 9f313c5..8a99d61 100644
--- a/src/bts.cpp
+++ b/src/bts.cpp
@@ -727,7 +727,7 @@
  *
  * The blocks are defragmented and forwarded as LLC frames, if complete.
  */
-int gprs_rlcmac_pdch::rcv_data_block_acknowledged(uint8_t *data, uint8_t len,
+int gprs_rlcmac_pdch::rcv_data_block_acknowledged_gprs(uint8_t *data, uint8_t len,
 	struct pcu_l1_meas *meas)
 {
 	struct gprs_rlcmac_ul_tbf *tbf;
@@ -741,7 +741,7 @@
 		return 0;
 	}
 
-	return tbf->rcv_data_block_acknowledged(data, len, meas);
+	return tbf->rcv_data_block_acknowledged_gprs(data, len, meas);
 }
 
 void gprs_rlcmac_pdch::rcv_control_ack(Packet_Control_Acknowledgement_t *packet, uint32_t fn)
@@ -1202,7 +1202,7 @@
 
 	switch (payload) {
 	case GPRS_RLCMAC_DATA_BLOCK:
-		rc = rcv_data_block_acknowledged(data, len, meas);
+		rc = rcv_data_block_acknowledged_gprs(data, len, meas);
 		break;
 	case GPRS_RLCMAC_CONTROL_BLOCK:
 		block = bitvec_alloc(len);
diff --git a/src/bts.h b/src/bts.h
index 4650db1..51df5a3 100644
--- a/src/bts.h
+++ b/src/bts.h
@@ -103,7 +103,7 @@
 
 #ifdef __cplusplus
 private:
-	int rcv_data_block_acknowledged(uint8_t *data, uint8_t len,
+	int rcv_data_block_acknowledged_gprs(uint8_t *data, uint8_t len,
 		struct pcu_l1_meas *meas);
 	int rcv_control_block(bitvec *rlc_block, uint32_t fn);
 
diff --git a/src/tbf.h b/src/tbf.h
index 2835926..7b13eeb 100644
--- a/src/tbf.h
+++ b/src/tbf.h
@@ -421,7 +421,7 @@
 	struct msgb *create_ul_ack(uint32_t fn);
 
 	/* blocks were acked */
-	int rcv_data_block_acknowledged(const uint8_t *data, size_t len,
+	int rcv_data_block_acknowledged_gprs(const uint8_t *data, size_t len,
 		struct pcu_l1_meas *meas);
 
 	/* TODO: extract LLC class? */
diff --git a/src/tbf_ul.cpp b/src/tbf_ul.cpp
index a79657d..aa81b53 100644
--- a/src/tbf_ul.cpp
+++ b/src/tbf_ul.cpp
@@ -262,7 +262,7 @@
 	return msg;
 }
 
-int gprs_rlcmac_ul_tbf::rcv_data_block_acknowledged(const uint8_t *data,
+int gprs_rlcmac_ul_tbf::rcv_data_block_acknowledged_gprs(const uint8_t *data,
 	size_t len, struct pcu_l1_meas *meas)
 {
 	struct rlc_ul_header *rh = (struct rlc_ul_header *)data;