1 files changed, 1 insertions, 1 deletions
diff --git a/src/mongo/db/s/active_migrations_registry.cpp b/src/mongo/db/s/active_migrations_registry.cpp
index f8e26472a8d..55cbfecfa9c 100644
--- a/src/mongo/db/s/active_migrations_registry.cpp
+++ b/src/mongo/db/s/active_migrations_registry.cpp
@@ -121,7 +121,7 @@ BSONObj ActiveMigrationsRegistry::getActiveMigrationStatusReport(OperationContex
         // Lock the collection so nothing changes while we're getting the migration report.
         AutoGetCollection autoColl(opCtx, nss.get(), MODE_IS);
         auto csr = CollectionShardingRuntime::get(opCtx, nss.get());
-        auto csrLock = CollectionShardingRuntime::CSRLock::lock(opCtx, csr);
+        auto csrLock = CollectionShardingRuntime::CSRLock::lockShared(opCtx, csr);
 
         if (auto msm = MigrationSourceManager::get(csr, csrLock)) {
             return msm->getMigrationStatusReport();