diff --git a/src/base64.c b/src/base64.c
index d730328..005c486 100644
--- a/src/base64.c
+++ b/src/base64.c
@@ -11,6 +11,7 @@
  */
 
 #include <common/base64.h>
+#include <common/config.h>
 
 const char base64tab[64]="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";