diff --git a/src/gsm_04_08.c b/src/gsm_04_08.c
index 61080b4..e2cba5b 100644
--- a/src/gsm_04_08.c
+++ b/src/gsm_04_08.c
@@ -183,7 +183,7 @@
 	return 7;
 }
 
-static struct msgb *gsm48_msgb_alloc(void)
+struct msgb *gsm48_msgb_alloc(void)
 {
 	return msgb_alloc_headroom(GSM48_ALLOC_SIZE, GSM48_ALLOC_HEADROOM);
 }