diff --git a/src/ranap/RANAP_MBMSSessionUpdate.h b/src/ranap/RANAP_MBMSSessionUpdate.h
index 515544b..30eaeb4 100644
--- a/src/ranap/RANAP_MBMSSessionUpdate.h
+++ b/src/ranap/RANAP_MBMSSessionUpdate.h
@@ -22,12 +22,12 @@
 
 /* RANAP_MBMSSessionUpdate */
 typedef struct RANAP_MBMSSessionUpdate {
-	struct mBMSSessionUpdate_ies {
+	struct mbmsSessionUpdate_ies {
 		A_SEQUENCE_OF(RANAP_IE_t) list;
 		
 		/* Context for parsing across buffer boundaries */
 		asn_struct_ctx_t _asn_ctx;
-	} mBMSSessionUpdate_ies;
+	} mbmsSessionUpdate_ies;
 	/*
 	 * This type is extensible,
 	 * possible extensions are below.