diff --git a/include/base.h b/include/base.h
index 17d70f6..9f7f810 100644
--- a/include/base.h
+++ b/include/base.h
@@ -44,6 +44,7 @@ struct {
 
 struct {
     size_t size;
+    bool lock;
     Arrow_t *array;
 } typedef ArrowArray_t;
 
@@ -105,6 +106,9 @@ struct Center_t {
 struct {
     pthread_t *id;
     Center_t *localWorkAreaCenter;
+    Space_t *globalDrawingSpace;
+    IntArray_t *transitionsTree;
+    ArrowArray_t *arrowList;
     bool pleaseStop;
     bool terminated;
     int returnValue;
diff --git a/src/scheduler.c b/src/scheduler.c
index 8a709fe..3692fef 100644
--- a/src/scheduler.c
+++ b/src/scheduler.c
@@ -138,6 +138,12 @@ static void *schedulerMain(void *scheduler)
                         //printLog("Adding worker at rank %d\n", i);
                         // prepare the worker for the area,
                         workerArray[i].localWorkAreaCenter = workArea;
+                        workerArray[i].globalDrawingSpace =
+                            args->globalDrawingSpace;
+                        workerArray[i].transitionsTree =
+                            args->transitionsTree;
+                        workerArray[i].arrowList =
+                            args->arrowList;
                         // create the worker,
                         WorkerInit(&workerArray[i]);
                         // and increment worker count.