diff --git a/src/ui/test_instructions/test_instructions.py b/src/ui/test_instructions/test_instructions.py
index 479aa8d..a0f91f1 100644
--- a/src/ui/test_instructions/test_instructions.py
+++ b/src/ui/test_instructions/test_instructions.py
@@ -43,6 +43,7 @@ class Test_Instructions(Test_Test):
         show = super().start(recipe=recipe, step=step)
 
         self.timer.start(1000)
+        self.inputs = {}
         # setup test loop
         if "digital_io" in self.components.keys():
             self.get_connection = self.components["digital_io"].out.connect(self.get)
@@ -215,11 +216,10 @@ class Test_Instructions(Test_Test):
             if isinstance(sensor_index, int):
                 if (inverse and current_bitstate != self.expected_input_state) or (not inverse and current_bitstate == self.expected_input_state):
                     self.inputs[sensor_index] = True
-                else:
-                    self.inputs[sensor_index] = False
+                
+                if not self.inputs.get(sensor_index, False):
                     ok = False
             else:
-                self.inputs[sensor_index] = False
                 ok = False
 
         if ok: