diff --git a/driver/others/blas_server_omp.c b/driver/others/blas_server_omp.c
index c45856fd9..21bc5f78e 100644
--- a/driver/others/blas_server_omp.c
+++ b/driver/others/blas_server_omp.c
@@ -224,6 +224,7 @@ static void exec_threads(blas_queue_t *queue){
 					    + GEMM_ALIGN) & ~GEMM_ALIGN)) + GEMM_OFFSET_B);
 	  }
       }
+      queue->sb=sb;
     }
   }
 
diff --git a/driver/others/blas_server_win32.c b/driver/others/blas_server_win32.c
index 9cbd7e219..bd1069c5e 100644
--- a/driver/others/blas_server_win32.c
+++ b/driver/others/blas_server_win32.c
@@ -253,6 +253,7 @@ static DWORD WINAPI blas_thread_server(void *arg){
 					  + GEMM_ALIGN) & ~GEMM_ALIGN)) + GEMM_OFFSET_B);
 	    }
 	}
+	queue->sb=sb;
       }
 	
 #ifdef MONITOR
@@ -495,4 +496,4 @@ void goto_set_num_threads(int num_threads)
 void openblas_set_num_threads(int num)
 {
 	goto_set_num_threads(num);
-}
\ No newline at end of file
+}