1 files changed, 1 insertions, 1 deletions
diff --git a/src/mongo/db/dbmessage.cpp b/src/mongo/db/dbmessage.cpp
index bba632c1ff1..04d8e756916 100644
--- a/src/mongo/db/dbmessage.cpp
+++ b/src/mongo/db/dbmessage.cpp
@@ -148,7 +148,7 @@ Message makeUnsupportedOpInsertMessage(StringData ns,
             reservedFlags |= InsertOption_ContinueOnError;
 
         b.appendNum(reservedFlags);
-        b.appendStr(ns);
+        b.appendCStr(ns);
 
         for (size_t i = 0; i < count; i++) {
             objs[i].appendSelfToBufBuilder(b);