1 files changed, 2 insertions, 0 deletions

diff --git a/id.c b/id.c
index e05d867079..e5f971d3e2 100644
--- a/id.c
+++ b/id.c
@@ -13,6 +13,8 @@
 
 #include "id.h"
 
+#include "vm_opts.h" /* for SUPPORT_JOKE */
+
 static void
 Init_id(void)
 {