diff --git a/src/decl.c b/src/decl.c
index df109b0f4..26b6d99da 100644
--- a/src/decl.c
+++ b/src/decl.c
@@ -611,7 +611,7 @@ const struct instance_globals g_init = {
     SELL_NORMAL, /* sell_how */
     FALSE, /* auto_credit */
     UNDEFINED_VALUES, /* repo */
-    UNDEFINED_VALUES, /* followmsg */
+    UNDEFINED_VALUE, /* followmsg */
 
     /* sp_lev.c */
     NULL, /* lev_message */