diff --git a/edalize/flows/vivado.py b/edalize/flows/vivado.py
index 513d1e6c..d4139314 100644
--- a/edalize/flows/vivado.py
+++ b/edalize/flows/vivado.py
@@ -10,7 +10,7 @@
 class Vivado(Edaflow):
     """The Vivado flow executes AMD Vivado to create a bitstream and optionally program a board. Yosys can be used for synthesis by setting the synth option accordingly"""
 
-    argtypes = ["vlogdefine", "vlogparam"]
+    argtypes = ["vlogdefine", "vlogparam", "generic"]
 
     FLOW_DEFINED_TOOL_OPTIONS = {
         "yosys": {"arch": "xilinx", "output_format": "edif"},