diff --git a/src/lte/model/pf-ff-mac-scheduler.cc b/src/lte/model/pf-ff-mac-scheduler.cc
index c699ad5ad..d1c37388e 100644
--- a/src/lte/model/pf-ff-mac-scheduler.cc
+++ b/src/lte/model/pf-ff-mac-scheduler.cc
@@ -1138,7 +1138,7 @@ PfFfMacScheduler::DoSchedUlCqiInfoReq (const struct FfMacSchedSapProvider::Sched
     case UlCqi_s::SRS:
       {
         // get the RNTI from vendor specific parameters
-        uint16_t rnti;
+        uint16_t rnti = 0;
         NS_ASSERT (params.m_vendorSpecificList.size () > 0);
         for (uint16_t i = 0; i < params.m_vendorSpecificList.size (); i++)
           {
diff --git a/src/lte/model/rr-ff-mac-scheduler.cc b/src/lte/model/rr-ff-mac-scheduler.cc
index 3ea3d2c05..5a6402cfd 100644
--- a/src/lte/model/rr-ff-mac-scheduler.cc
+++ b/src/lte/model/rr-ff-mac-scheduler.cc
@@ -940,7 +940,7 @@ RrFfMacScheduler::DoSchedUlCqiInfoReq (const struct FfMacSchedSapProvider::Sched
       case UlCqi_s::SRS:
         {
           // get the RNTI from vendor specific parameters
-          uint16_t rnti;
+          uint16_t rnti = 0;
           NS_ASSERT (params.m_vendorSpecificList.size () > 0);
           for (uint16_t i = 0; i < params.m_vendorSpecificList.size (); i++)
             {