diff --git a/include/spdlog/logger.h b/include/spdlog/logger.h
index 9f4bc1a6..fd076052 100644
--- a/include/spdlog/logger.h
+++ b/include/spdlog/logger.h
@@ -17,6 +17,7 @@
 #include <spdlog/common.h>
 #include <spdlog/details/log_msg.h>
 #include <spdlog/details/backtracer.h>
+#include <spdlog/details/fmt_helper.h>
 
 #ifdef SPDLOG_WCHAR_TO_UTF8_SUPPORT
 #    ifndef _WIN32