1 files changed, 1 insertions, 1 deletions

diff --git a/src/solve.c b/src/solve.c
index 42b4607..ec16935 100644
--- a/src/solve.c
+++ b/src/solve.c
@@ -282,7 +282,7 @@ solve(Cube cube, Step *step, SolveOptions *opts)
         EstimateData *ed;
         bool b;
 
-        prepare_step(step);
+        prepare_step(step, opts->nthreads);
 
         if (step->detect != NULL)
                 step->pre_trans = step->detect(cube);