diff --git a/tm4c1294ncpdt_startup_ccs.c b/tm4c1294ncpdt_startup_ccs.c
index 942f192..cece001 100644
--- a/tm4c1294ncpdt_startup_ccs.c
+++ b/tm4c1294ncpdt_startup_ccs.c
@@ -100,7 +100,7 @@ void (* const g_pfnVectors[])(void) =
     IntDefaultHandler,                      // PWM Generator 1
     IntDefaultHandler,                      // PWM Generator 2
     IntDefaultHandler,                      // Quadrature Encoder 0
-    ADC_ISR,                      // ADC Sequence 0
+    IntDefaultHandler,                      // ADC Sequence 0
     IntDefaultHandler,                      // ADC Sequence 1
     IntDefaultHandler,                      // ADC Sequence 2
     IntDefaultHandler,                      // ADC Sequence 3
@@ -132,7 +132,7 @@ void (* const g_pfnVectors[])(void) =
     IntDefaultHandler,                      // PWM Generator 3
     IntDefaultHandler,                      // uDMA Software Transfer
     IntDefaultHandler,                      // uDMA Error
-    IntDefaultHandler,                      // ADC1 Sequence 0
+    ADC_ISR,                                // ADC1 Sequence 0
     IntDefaultHandler,                      // ADC1 Sequence 1
     IntDefaultHandler,                      // ADC1 Sequence 2
     IntDefaultHandler,                      // ADC1 Sequence 3