diff --git a/b_asic/sfg_generators.py b/b_asic/sfg_generators.py
index 998c20a80ba1e8a8b9795afa3f1523d9309fd017..2b693af3dedb9cb6dc51b6ec65b6673833488981 100644
--- a/b_asic/sfg_generators.py
+++ b/b_asic/sfg_generators.py
@@ -323,7 +323,7 @@ def direct_form_2_iir(
     if len(a) != len(b):
         raise ValueError("size of coefficient lists a and b are not the same")
     if name is None:
-        name = "Direct-form I IIR filter"
+        name = "Direct-form II IIR filter"
     if mult_properties is None:
         mult_properties = {}
     if add_properties is None: