1 files changed, 4 insertions, 0 deletions
diff --git a/src/mongo/db/pipeline/pipeline.cpp b/src/mongo/db/pipeline/pipeline.cpp
index 8dd7d9e0267..6b38dec714d 100644
--- a/src/mongo/db/pipeline/pipeline.cpp
+++ b/src/mongo/db/pipeline/pipeline.cpp
@@ -49,6 +49,10 @@
 namespace mongo {
 
     using boost::intrusive_ptr;
+    using std::endl;
+    using std::ostringstream;
+    using std::string;
+    using std::vector;
 
     const char Pipeline::commandName[] = "aggregate";
     const char Pipeline::pipelineName[] = "pipeline";