diff --git a/src/lte/model/lte-ue-phy.cc b/src/lte/model/lte-ue-phy.cc
index 1b2426d64..7a6427525 100644
--- a/src/lte/model/lte-ue-phy.cc
+++ b/src/lte/model/lte-ue-phy.cc
@@ -457,6 +457,8 @@ LteUePhy::GenerateCtrlCqiReport (const SpectrumValue& sinr)
         }
       double rsrp = sum / (double)rbNum;
       // averaged SINR among RBs
+      sum = 0.0;
+      rbNum = 0;
       for (it = sinr.ConstValuesBegin (); it != sinr.ConstValuesEnd (); it++)
         {
           sum += (*it);