1 files changed, 5 insertions, 4 deletions
diff --git a/src/mongo/db/introspect.cpp b/src/mongo/db/introspect.cpp
index c2f11b34e6d..c84a1caafa0 100644
--- a/src/mongo/db/introspect.cpp
+++ b/src/mongo/db/introspect.cpp
@@ -135,10 +135,11 @@ namespace {
         BufBuilder profileBufBuilder(1024);
 
         try {
-            // NOTE: It's kind of weird that we lock the op's namespace, but have to for now since
-            // we're sometimes inside the lock already
-            Lock::DBWrite lk(txn->lockState(), currentOp.getNS() );
-            if (dbHolder().get(txn, nsToDatabase(currentOp.getNS())) != NULL) {
+            // NOTE: It's kind of weird that we lock the op's namespace, but have to for now
+            // since we're sometimes inside the lock already
+            const string dbname(nsToDatabase(currentOp.getNS()));
+            Lock::DBLock lk(txn->lockState(), dbname, newlm::MODE_X);
+            if (dbHolder().get(txn, dbname) != NULL) {
                 // We are ok with the profiling happening in a different WUOW from the actual op.
                 WriteUnitOfWork wunit(txn);
                 Client::Context cx(txn, currentOp.getNS(), false);