1 files changed, 3 insertions, 0 deletions
diff --git a/rfc822.c b/rfc822.c
index 8fe209ab..a3ff263f 100644
--- a/rfc822.c
+++ b/rfc822.c
@@ -19,6 +19,9 @@ is part of fetchmail and the Unix Cookbook, and are released under the
 MIT license.  Compile with -DMAIN to build the demonstrator.
 
 ******************************************************************************/
+
+#include "config.h"
+
 #include  <stdio.h>
 #include  <ctype.h>
 #include  <string.h>