diff --git a/doc/changelog.d/3293.miscellaneous.md b/doc/changelog.d/3293.miscellaneous.md
new file mode 100644
index 0000000000..07a57f7b11
--- /dev/null
+++ b/doc/changelog.d/3293.miscellaneous.md
@@ -0,0 +1 @@
+feat/adding missing argument
\ No newline at end of file
diff --git a/src/ansys/mapdl/core/_commands/aux12_/radiosity_solver.py b/src/ansys/mapdl/core/_commands/aux12_/radiosity_solver.py
index 4ef3e62ab1..580637f1d2 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