1 files changed, 2 insertions, 2 deletions
diff --git a/twiddle.c b/twiddle.c
index b5b276f..08ef792 100644
--- a/twiddle.c
+++ b/twiddle.c
@@ -306,7 +306,7 @@ static int grid_complete(int *grid, int wh, int orientable)
     return ok;
 }
 
-static char *new_game_desc(game_params *params, random_state *rs,
+static char *new_game_desc(const game_params *params, random_state *rs,
 			   char **aux, int interactive)
 {
     int *grid;
@@ -430,7 +430,7 @@ static char *new_game_desc(game_params *params, random_state *rs,
     return ret;
 }
 
-static char *validate_desc(game_params *params, char *desc)
+static char *validate_desc(const game_params *params, char *desc)
 {
     char *p;
     int w = params->w, h = params->h, wh = w*h;