diff --git a/winpr/include/winpr/tools/makecert.h b/winpr/include/winpr/tools/makecert.h
index e06154a49..41a19a930 100644
--- a/winpr/include/winpr/tools/makecert.h
+++ b/winpr/include/winpr/tools/makecert.h
@@ -22,6 +22,9 @@
 
 #include <winpr/winpr.h>
 #include <winpr/wtypes.h>
+#ifdef __cplusplus
+extern "C" {
+#endif
 
 typedef struct _MAKECERT_CONTEXT MAKECERT_CONTEXT;
 
@@ -34,4 +37,8 @@ WINPR_API int makecert_context_output_private_key_file(MAKECERT_CONTEXT* context
 WINPR_API MAKECERT_CONTEXT* makecert_context_new();
 WINPR_API void makecert_context_free(MAKECERT_CONTEXT* context);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* MAKECERT_TOOL_H */