diff --git a/lib/plant2dxf.py b/lib/plant2dxf.py
index 9c1a996..4d7c07a 100644
--- a/lib/plant2dxf.py
+++ b/lib/plant2dxf.py
@@ -124,8 +124,11 @@ def import_block(block_name: str, from_doc, to_doc) -> None:
         pass
 
     for ent in src:
+        if ent.dxftype() == "INSERT":
+            import_block(ent.dxf.name,from_doc, to_doc)
         tgt.add_entity(ent.copy())
 
+
 def berechne_hoehe(csv_path, logger=None):
     y_werte = []
     try: