diff --git a/include/spdlog/details/os-inl.h b/include/spdlog/details/os-inl.h
index 27f23a03..0e714c43 100644
--- a/include/spdlog/details/os-inl.h
+++ b/include/spdlog/details/os-inl.h
@@ -7,6 +7,8 @@
 #include "spdlog/details/os.h"
 #endif
 
+#include "spdlog/common.h"
+
 #include <algorithm>
 #include <chrono>
 #include <cstdio>