diff --git a/common/utils/msc/msc.h b/common/utils/msc/msc.h
index 9990df7da9ce96ddf438287e2e4ed6673b9e8b56..5f73912a076833df5a38509a00c88199c7908295 100644
--- a/common/utils/msc/msc.h
+++ b/common/utils/msc/msc.h
@@ -32,7 +32,8 @@
 #include <stdarg.h>
 
 typedef enum {
-    MSC_E_UTRAN = 0,
+	MIN_MSC_ENV = 0,
+    MSC_E_UTRAN = MIN_MSC_ENV,
     MSC_EPC,
     MAX_MSC_ENV
 } msc_env_t;