diff --git a/openbsc/src/gprs/gprs_sgsn.c b/openbsc/src/gprs/gprs_sgsn.c
index 3fb1104..6d49e19 100644
--- a/openbsc/src/gprs/gprs_sgsn.c
+++ b/openbsc/src/gprs/gprs_sgsn.c
@@ -209,8 +209,8 @@
 
 }
 
-/* Allocate a new SGSN MM context */
-struct sgsn_mm_ctx *sgsn_mm_ctx_alloc(uint32_t tlli,
+/* Allocate a new SGSN MM context for GERAN_Gb */
+struct sgsn_mm_ctx *sgsn_mm_ctx_alloc_gb(uint32_t tlli,
 					const struct gprs_ra_id *raid)
 {
 	struct sgsn_mm_ctx *ctx;