diff --git a/src/blenderbim/blenderbim/bim/module/patch/operator.py b/src/blenderbim/blenderbim/bim/module/patch/operator.py
index 3752f12feb..b340b6ba37 100644
--- a/src/blenderbim/blenderbim/bim/module/patch/operator.py
+++ b/src/blenderbim/blenderbim/bim/module/patch/operator.py
@@ -48,14 +48,26 @@ class ExecuteIfcPatch(bpy.types.Operator):
         return os.path.isfile(input_file) and "ifc" in os.path.splitext(input_file)[1]
 
     def execute(self, context):
-        
+        if context.scene.BIMPatchProperties.ifc_patch_args_attr:
+            arguments = []
+            for arg in context.scene.BIMPatchProperties.ifc_patch_args_attr:
+                if arg.data_type == "string":
+                    arguments.append(arg.string_value)
+                if arg.data_type == "boolean":
+                    arguments.append(arg.bool_value)
+                if arg.data_type == "integer":
+                    arguments.append(arg.int_value)
+                if arg.data_type == "float":
+                    arguments.append(arg.float_value)
+        else:
+            arguments = json.loads(context.scene.BIMPatchProperties.ifc_patch_args or "[]")
 
         ifcpatch.execute(
             {
                 "input": context.scene.BIMPatchProperties.ifc_patch_input,
                 "output": context.scene.BIMPatchProperties.ifc_patch_output,
                 "recipe": context.scene.BIMPatchProperties.ifc_patch_recipes,
-                "arguments": json.loads(context.scene.BIMPatchProperties.ifc_patch_args or "[]"),
+                "arguments": arguments,
                 "log": os.path.join(context.scene.BIMProperties.data_dir, "process.log"),
             }
         )
diff --git a/src/ifcpatch/ifcpatch/__init__.py b/src/ifcpatch/ifcpatch/__init__.py
index 1675ecae94..3ca4f35f0d 100644
--- a/src/ifcpatch/ifcpatch/__init__.py
+++ b/src/ifcpatch/ifcpatch/__init__.py
@@ -13,7 +13,11 @@ def execute(args, is_library=None):
     print("# Loading patch recipe ...")
     recipes = getattr(__import__("ifcpatch.recipes.{}".format(args["recipe"])), "recipes")
     recipe = getattr(recipes, args["recipe"])
-    patcher = recipe.Patcher(args["input"], ifc_file, logger, args["arguments"])
+    try:
+        # We unpack the arguments if the Patcher has been type-hinted and docstringed
+        patcher = recipe.Patcher(args["input"], ifc_file, logger, *args["arguments"])
+    except TypeError:
+        patcher = recipe.Patcher(args["input"], ifc_file, logger, args["arguments"])
     print("# Patching ...")
     patcher.patch()
     ifc_file = getattr(patcher, "file_patched", patcher.file)