diff --git a/unfinished/separate.c b/unfinished/separate.c
index 7fd8da8..fc64d7f 100644
--- a/unfinished/separate.c
+++ b/unfinished/separate.c
@@ -841,6 +841,7 @@ const struct game thegame = {
     free_ui,
     encode_ui,
     decode_ui,
+    NULL, /* game_request_keys */
     game_changed_state,
     interpret_move,
     execute_move,
diff --git a/unfinished/slide.c b/unfinished/slide.c
index 9770013..504c4e9 100644
--- a/unfinished/slide.c
+++ b/unfinished/slide.c
@@ -2333,6 +2333,7 @@ const struct game thegame = {
     free_ui,
     encode_ui,
     decode_ui,
+    NULL, /* game_request_keys */
     game_changed_state,
     interpret_move,
     execute_move,
diff --git a/unfinished/sokoban.c b/unfinished/sokoban.c
index 1264690..a06ba7a 100644
--- a/unfinished/sokoban.c
+++ b/unfinished/sokoban.c
@@ -1457,6 +1457,7 @@ const struct game thegame = {
     free_ui,
     encode_ui,
     decode_ui,
+    NULL, /* game_request_keys */
     game_changed_state,
     interpret_move,
     execute_move,