diff --git a/pystencils/boundaries/boundaryhandling.py b/pystencils/boundaries/boundaryhandling.py
index 5a60ca6ebed58cbcbdb454fa4215da13738aa1b0..e164006350582bb1b05aa30c3570f07b53ae52e4 100644
--- a/pystencils/boundaries/boundaryhandling.py
+++ b/pystencils/boundaries/boundaryhandling.py
@@ -17,6 +17,8 @@ try:
     import waLBerla as wlb
     if wlb.cpp_available:
         from pystencils.datahandling.parallel_datahandling import ParallelDataHandling
+    else:
+        ParallelDataHandling = None
 except ImportError:
     ParallelDataHandling = None