diff --git a/src/ui/test/test.py b/src/ui/test/test.py
index a5ed93c..b4ae8e7 100755
--- a/src/ui/test/test.py
+++ b/src/ui/test/test.py
@@ -448,14 +448,14 @@ class Test(Widget):
                 leak1_index = step_types.index("leak_1")
                 leak2_index = step_types.index("leak_2")
                 if leak1_index + 1 == leak2_index:  # Ensure 'leak_1' is immediately followed by 'leak_2'
-                    steps.insert(leak2_index, Steps(type="instruction_extra", spec={}))
+                    steps.insert(leak2_index, Step(step_type="instruction_extra", spec={}))
                     inserted_instruction = True
 
             # Insert 'instruction_extra' after the first 'instructions' if not inserted between leaks
             if not inserted_instruction:
                 for i, step in enumerate(steps):
                     if step.type == "instructions":
-                        steps.insert(i + 1, Steps(type="instruction_extra", spec={}))
+                        steps.insert(i + 1, Step(step_type="instruction_extra", spec={}))
                         inserted_instruction = True
                         break
 
diff --git a/src/ui/test_leak/test_leak.py b/src/ui/test_leak/test_leak.py
index 0728174..72a7391 100644
--- a/src/ui/test_leak/test_leak.py
+++ b/src/ui/test_leak/test_leak.py
@@ -12,13 +12,14 @@ from ui.test_test import Test_Test
 VALVE_TIME=0.5
 
 class Test_Leak(Test_Test):
-    def __init__(self, components=None, recipe=None, step=None, pieces=None, run_once=False, reset_on_start=True, enable_override=False,parent=None):
+    def __init__(self, config,components=None, recipe=None, step=None, pieces=None, run_once=False, reset_on_start=True, enable_override=False,parent=None):
         super().__init__(components=components, recipe=recipe, step=step, pieces=pieces, run_once=run_once, reset_on_start=reset_on_start, enable_override=enable_override)
         self.get_connection = None
         self.io_ok = True
         self.blow_on = False
         self.parent=parent
         self.step=step
+        self.config = config
         self.recipe_written = False
         self.start_b.clicked.connect(self.start_test)
         self.stop_b.clicked.connect(self.stop_test)
@@ -143,11 +144,16 @@ class Test_Leak(Test_Test):
             time.sleep(2)
 
         # AUTO START SECOND TEST
-        if step.step_type == "leak_2":
-            self.recipe_written = False
-            time.sleep(1)
-            self.start_b.setEnabled(True)
-            self.start_b.click()
+        if step.type == "leak_2":
+            if self.config["hardware_config"].get("dual_chanel", "absent") == "present":
+                self.recipe_written = False
+                time.sleep(1)
+                self.start_b.setEnabled(True)
+                self.start_b.click()
+            else:
+                self.recipe_written = False
+                time.sleep(1)
+                self.start_b.setEnabled(True)
 
         return show