diff --git a/src/mongo/db/modules/eloq/data_substrate b/src/mongo/db/modules/eloq/data_substrate
index f08f56d27f..537f4683f6 160000
--- a/src/mongo/db/modules/eloq/data_substrate
+++ b/src/mongo/db/modules/eloq/data_substrate
@@ -1 +1 @@
-Subproject commit f08f56d27fd80f97cd45df73228dcc6782545128
+Subproject commit 537f4683f6d241742e845daffb8f3b56b3cdf4e1
diff --git a/src/mongo/util/options_parser/options_parser.cpp b/src/mongo/util/options_parser/options_parser.cpp
index 0b2f977a19..30d800cb9e 100644
--- a/src/mongo/util/options_parser/options_parser.cpp
+++ b/src/mongo/util/options_parser/options_parser.cpp
@@ -858,7 +858,7 @@ Status OptionsParser::readConfigFile(const std::string& filename, std::string* c
     if (config == NULL) {
         const int current_errno = errno;
         StringBuilder sb;
-        sb << "Error reading config file: " << strerror(current_errno);
+        sb << "Error reading config file: " << strerror(current_errno) << " ,filename: " << filename;
         return Status(ErrorCodes::InternalError, sb.str());
     }
     ON_BLOCK_EXIT(fclose, config);