diff --git a/core/src/main/java/ai/timefold/solver/core/impl/solver/DefaultSolverFactory.java b/core/src/main/java/ai/timefold/solver/core/impl/solver/DefaultSolverFactory.java
index 74fdde61a4..96b94ae8b3 100644
--- a/core/src/main/java/ai/timefold/solver/core/impl/solver/DefaultSolverFactory.java
+++ b/core/src/main/java/ai/timefold/solver/core/impl/solver/DefaultSolverFactory.java
@@ -120,7 +120,7 @@ public <Score_ extends Score<Score_>> InnerScoreDirectorFactory<Solution_, Score
                 .withPreviewFeatureList(previewFeaturesEnabled)
                 .withEnvironmentMode(environmentMode)
                 .withMoveThreadCount(moveThreadCount)
-                .withMoveThreadCount(solverConfig.getMoveThreadBufferSize())
+                .withMoveThreadBufferSize(solverConfig.getMoveThreadBufferSize())
                 .withThreadFactoryClass(solverConfig.getThreadFactoryClass())
                 .withNearbyDistanceMeterClass(solverConfig.getNearbyDistanceMeterClass())
                 .withRandom(randomFactory.createRandom())