1 files changed, 6 insertions, 1 deletions
diff --git a/src/session.h b/src/session.h
index 679fe679..fc6bf4f3 100644
--- a/src/session.h
+++ b/src/session.h
@@ -143,7 +143,12 @@ public:
      data_files.push_back(args[1].as_string());
    });
 
-  OPTION(session_t, input_date_format_);
+  OPTION_(session_t, input_date_format_, DO_(args) {
+      // This changes the global variable inside times.h, which affects the
+      // basic date parser
+      input_date_format = args[1].as_string();
+    });
+
   OPTION(session_t, price_db_);
   OPTION(session_t, strict);
 };