diff --git a/src/main/java/org/openstreetmap/josm/plugins/mapillary/utils/MapillaryUtils.java b/src/main/java/org/openstreetmap/josm/plugins/mapillary/utils/MapillaryUtils.java
index 2547183f5..aa343797d 100644
--- a/src/main/java/org/openstreetmap/josm/plugins/mapillary/utils/MapillaryUtils.java
+++ b/src/main/java/org/openstreetmap/josm/plugins/mapillary/utils/MapillaryUtils.java
@@ -371,7 +371,7 @@ public final class MapillaryUtils {
   public static synchronized ForkJoinPool getForkJoinPool(Class<?> clazz) {
     ForkJoinPool pool = forkJoinPool.get(clazz.getSimpleName());
     if (pool == null || pool.isShutdown()) {
-      pool = Utils.newForkJoinPool("mapillary.forkjoinpool", "mapillary-" + clazz.getSimpleName() + "-%d", 4);
+      pool = Utils.newForkJoinPool("mapillary.forkjoinpool", "mapillary-" + clazz.getSimpleName() + "-%d", 2);
       forkJoinPool.put(clazz.getSimpleName(), pool);
     }
     return pool;