diff --git a/src/ansys/mapdl/core/_commands/aux12_/radiosity_solver.py b/src/ansys/mapdl/core/_commands/aux12_/radiosity_solver.py
index 1a4176e446..6d0aebf8a7 100644
--- a/src/ansys/mapdl/core/_commands/aux12_/radiosity_solver.py
+++ b/src/ansys/mapdl/core/_commands/aux12_/radiosity_solver.py
@@ -22,7 +22,7 @@
 
 
 class RadiositySolver:
-    def hemiopt(self, hres="", **kwargs):
+    def hemiopt(self, hres="", tolerance="", **kwargs):
         """Specifies options for Hemicube view factor calculation.
 
         APDL Command: HEMIOPT