diff --git a/src/cli/cli.cpp b/src/cli/cli.cpp
index fcfa5c815..76743b2ff 100644
--- a/src/cli/cli.cpp
+++ b/src/cli/cli.cpp
@@ -2118,7 +2118,7 @@ void Interpreter::ProcessCommissioner(int argc, char *argv[])
                 VerifyOrExit(static_cast<size_t>(length) <= OT_STEERING_DATA_MAX_LENGTH, error = kThreadError_NoBufs);
                 VerifyOrExit(Interpreter::Hex2Bin(argv[index], dataset.mSteeringData.m8, static_cast<uint16_t>(length)) >= 0,
                              error = kThreadError_Parse);
-                dataset.mSteeringData.mLength = length;
+                dataset.mSteeringData.mLength = static_cast<uint8_t>(length);
                 length = 0;
             }
             else if (strcmp(argv[index], "joinerudpport") == 0)
diff --git a/src/core/meshcop/commissioner.cpp b/src/core/meshcop/commissioner.cpp
index 1f9de505f..cd35f5e27 100644
--- a/src/core/meshcop/commissioner.cpp
+++ b/src/core/meshcop/commissioner.cpp
@@ -60,7 +60,8 @@ Commissioner::Commissioner(ThreadNetif &aThreadNetif):
     mSendKek(false),
     mSocket(aThreadNetif.GetIp6().mUdp),
     mRelayReceive(OPENTHREAD_URI_RELAY_RX, &Commissioner::HandleRelayReceive, this),
-    mNetif(aThreadNetif)
+    mNetif(aThreadNetif),
+    mIsSendMgmtCommRequest(false)
 {
     aThreadNetif.GetCoapServer().AddResource(mRelayReceive);
 }
diff --git a/src/core/meshcop/commissioner.hpp b/src/core/meshcop/commissioner.hpp
index 1165defc0..6920317cb 100644
--- a/src/core/meshcop/commissioner.hpp
+++ b/src/core/meshcop/commissioner.hpp
@@ -167,7 +167,7 @@ private:
     Coap::Resource mRelayReceive;
     ThreadNetif &mNetif;
 
-    bool mIsSendMgmtCommRequest = false;
+    bool mIsSendMgmtCommRequest;
 };
 
 }  // namespace MeshCoP