diff --git a/src/ranap_common.c b/src/ranap_common.c
index 57f2e83..dc46459 100644
--- a/src/ranap_common.c
+++ b/src/ranap_common.c
@@ -508,8 +508,8 @@
 	ra_id->mcc = (ptr[0] & 0xF) * 100 +
 		     (ptr[0] >> 4) * 10 +
 		     (ptr[1] & 0xF);
-	ra_id->mnc = (ptr[2] & 0xF) +
-		     (ptr[2] >> 4) * 10;
+	ra_id->mnc = (ptr[2] & 0xF) * 10 +
+		     (ptr[2] >> 4);
 	if ((ptr[1] >> 4) != 0xF)
 		ra_id->mnc += (ptr[1] >> 4) * 100;