diff --git a/lib/base64.c b/lib/base64.c
index 4ffd7605bc6a72fc6f65785598bbab52927d62c6..6ff6b955af2cff0abfb6f2b278914fb77b009b71 100644
--- a/lib/base64.c
+++ b/lib/base64.c
@@ -32,9 +32,8 @@
  * This code will break if int is smaller than 32 bits
  */
 
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
+#include "setup.h"
+
 #include <stdlib.h>
 #include <string.h>