diff --git a/src/pokey/interface.c b/src/pokey/interface.c
index bddc659f..0364dc52 100644
--- a/src/pokey/interface.c
+++ b/src/pokey/interface.c
@@ -16,6 +16,7 @@
 #include "node.h"
 #include "edge.h"
 #include "interface.h"
+#include "logging.h"
 
 #include <xalloc.h>