diff --git a/include/interface.h b/include/interface.h
index 3c7242995..32a9898be 100644
--- a/include/interface.h
+++ b/include/interface.h
@@ -11,6 +11,7 @@
 #include <string.h>
 #include <errno.h>
 #include <limits.h>
+#include <inttypes.h>
 
 /**
  * zero hashes shutcut
diff --git a/src/interface.c b/src/interface.c
index 81b779063..87abeb7b9 100644
--- a/src/interface.c
+++ b/src/interface.c
@@ -3,7 +3,6 @@
  * License.....: MIT
  */
 
-#include <inttypes.h>
 #include "common.h"
 #include "types.h"
 #include "bitops.h"