diff --git a/openmp/libomptarget/deviceRTLs/common/omptarget.h b/openmp/libomptarget/deviceRTLs/common/omptarget.h
--- a/openmp/libomptarget/deviceRTLs/common/omptarget.h
+++ b/openmp/libomptarget/deviceRTLs/common/omptarget.h
@@ -252,7 +252,7 @@
       workDescrForActiveParallel; // one, ONLY for the active par
 
   ALIGN(16)
-  __kmpc_data_sharing_worker_slot_static worker_rootS[WARPSIZE];
+  __kmpc_data_sharing_worker_slot_static worker_rootS[DS_Max_Warp_Number];
   ALIGN(16) __kmpc_data_sharing_master_slot_static master_rootS[1];
 };