diff --git a/contrib/fb303/TClientInfo.cpp b/contrib/fb303/TClientInfo.cpp
index a4b00cf..c30b42b 100644
--- a/contrib/fb303/TClientInfo.cpp
+++ b/contrib/fb303/TClientInfo.cpp
@@ -149,7 +149,7 @@
     char addrBuf[INET6_ADDRSTRLEN];
     const char* addrStr = info->getAddr(addrBuf, sizeof addrBuf);
     if (addrStr == nullptr) {
-      // cerr << "no addr!" << endl;
+      // cerr << "no addr!" << '\n';
       continue;
     }
 
@@ -160,7 +160,7 @@
     char buf[256];
     snprintf(buf, sizeof buf, "%d %s %s %.3f %llu", i, addrStr, callStr, secs,
              (uint64_t)info->getNCalls());
-               
+
     result.push_back(buf);
   }
 }
diff --git a/contrib/fb303/cpp/ServiceTracker.cpp b/contrib/fb303/cpp/ServiceTracker.cpp
index a2e670c..43e8847 100644
--- a/contrib/fb303/cpp/ServiceTracker.cpp
+++ b/contrib/fb303/cpp/ServiceTracker.cpp
@@ -344,7 +344,7 @@
       break;
     }
     cout << '[' << level_string << "] [" << now_pretty << "] "
-         << message << endl;
+         << message << '\n';
   }
 }