diff --git a/src/types.cpp b/src/types.cpp
index 12dcff8..e2a9fe5 100644
--- a/src/types.cpp
+++ b/src/types.cpp
@@ -69,7 +69,7 @@ uint16_t parse_date_to_clickhouse(const std::string& date_str) {
     // Try to parse YYYY-MM-DD format
     std::tm tm = {};
     std::istringstream ss(date_str);
-    ss >> std::get_time(&tm, "%m/%d/$Y");
+    ss >> std::get_time(&tm, "%m/%d/%Y");
     
     if (ss.fail()) {
         spdlog::warn("Failed to parse date: {}, using epoch", date_str);