1 files changed, 9 insertions, 2 deletions
diff --git a/src/sdl/main.c b/src/sdl/main.c
index 46f30c3..c3a9abe 100644
--- a/src/sdl/main.c
+++ b/src/sdl/main.c
@@ -60,11 +60,18 @@ load_font(
 
 static void
 solve_on_error(
-  const char * const err
+  const char * const err,
+  void *user_data
 ) {
+  UNUSED(user_data);
   die("Error solving level: %s", err);
 }
 
+static const sok_solve_cbs_t
+SOLVE_CBS = {
+  .on_error = solve_on_error,
+};
+
 static void
 set_level(
   draw_ctx_t * const draw_ctx,
@@ -233,7 +240,7 @@ int main(int argc, char *argv[]) {
           // get current number of moves
           const size_t old_num_moves = ctx.num_moves;
 
-          if (sok_solve(&ctx, solve_on_error)) {
+          if (sok_solve(&ctx, &SOLVE_CBS, NULL)) {
             // found solution, print it
             log_moves(&ctx, old_num_moves);
           } else {