diff --git a/src/mongo/db/repl/apply_ops_command_info.cpp b/src/mongo/db/repl/apply_ops_command_info.cpp
index a073f6f4479..1675ea293c7 100644
--- a/src/mongo/db/repl/apply_ops_command_info.cpp
+++ b/src/mongo/db/repl/apply_ops_command_info.cpp
@@ -69,6 +69,8 @@ bool _parseAreOpsCrudOnly(const BSONObj& applyOpCmd) {
             continue;
         } else if (opType == "u"_sd) {
             continue;
+        } else if (opType == "cu"_sd) {
+            continue;
         } else if (opType == "n"_sd) {
             continue;
         } else {
diff --git a/src/mongo/db/repl/apply_ops_command_info_test.cpp b/src/mongo/db/repl/apply_ops_command_info_test.cpp
index 6df69da6452..03a8c52ac07 100644
--- a/src/mongo/db/repl/apply_ops_command_info_test.cpp
+++ b/src/mongo/db/repl/apply_ops_command_info_test.cpp
@@ -51,6 +51,9 @@ TEST(ApplyOpsCommandInfoTest, TestParseAreOpsCrudOnlySingleOps) {
     const BSONObj updateOp = BSON("applyOps" << BSON_ARRAY(BSON("op" << "u")));
     ASSERT_TRUE(_parseAreOpsCrudOnly(updateOp));
 
+    const BSONObj containerUpdateOp = BSON("applyOps" << BSON_ARRAY(BSON("op" << "cu")));
+    ASSERT_TRUE(_parseAreOpsCrudOnly(containerUpdateOp));
+
     const BSONObj noop = BSON("applyOps" << BSON_ARRAY(BSON("op" << "n")));
     ASSERT_TRUE(_parseAreOpsCrudOnly(noop));