diff --git a/cimgui/cimgui.h b/cimgui/cimgui.h
index 5f25ff5..7bafa56 100644
--- a/cimgui/cimgui.h
+++ b/cimgui/cimgui.h
@@ -2,8 +2,12 @@
 #include <stdio.h>
 
 #if defined _WIN32 || defined __CYGWIN__
+#ifdef CIMGUI_NO_EXPORT
+#define API
+#else
 #define API __declspec(dllexport)
-#ifndef __GNUC__
+#endif
+#ifdef __GNUC__
 #define snprintf sprintf_s
 #endif
 #else