diff --git a/em-format/e-mail-parser.c b/em-format/e-mail-parser.c
index 17d5a817ee..b0edd79b34 100644
--- a/em-format/e-mail-parser.c
+++ b/em-format/e-mail-parser.c
@@ -15,6 +15,10 @@
  *
  */
 
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
 #include "e-mail-parser.h"
 
 #include <string.h>