diff --git a/codec/common/inc/crt_util_safe_x.h b/codec/common/inc/crt_util_safe_x.h
index 4c6943e19..b397d8c18 100644
--- a/codec/common/inc/crt_util_safe_x.h
+++ b/codec/common/inc/crt_util_safe_x.h
@@ -48,7 +48,9 @@
 #include <time.h>
 
 #if defined(_WIN32)
+#ifndef NOMINMAX
 #define NOMINMAX
+#endif
 #include <windows.h>
 #include <sys/types.h>
 #include <sys/timeb.h>