diff --git a/tests/MockADC/test_MockADC.cpp b/tests/MockADC/test_MockADC.cpp
index dbbd34e..bb8d250 100644
--- a/tests/MockADC/test_MockADC.cpp
+++ b/tests/MockADC/test_MockADC.cpp
@@ -30,9 +30,9 @@ TEST_GROUP(test_MockADC)
 TEST(test_MockADC, ADC_InitExpects)
 {
     mock().expectOneCall("ADC_Init")
-        .withUnsignedIntParameter("adc_chan", 7);
+        .withUnsignedIntParameter("adc_chan", 0);
 
-    ADC_Init(7);
+    ADC_Init(0);
 }
 
 TEST(test_MockADC, ADC_EnableExpects)