diff --git a/app/bcc1/complex2/system.oil b/app/bcc1/complex2/system.oil
index d39e3f198efd9412b4ae4ca65a8ddb928a08cad7..bce34f99e4e036401c4b6818fea617c39738c041 100644
--- a/app/bcc1/complex2/system.oil
+++ b/app/bcc1/complex2/system.oil
@@ -47,6 +47,7 @@ CPU TestSystem {
 	ISR ISR1 {
 		CATEGORY = 2;
 		DEVICE = 37;
+        PRIORITY = 1337;
 	};
 
 };
diff --git a/app/bcc1/lukas/isr2.oil b/app/bcc1/lukas/isr2.oil
index f670a98f9f7b499d67a46de1a29cd4a7e0a1755b..9e11e857c335059117bcb7e3e218c8e26bb7c9b6 100644
--- a/app/bcc1/lukas/isr2.oil
+++ b/app/bcc1/lukas/isr2.oil
@@ -26,21 +26,25 @@ CPU TestSystem {
     ISR ISR37 {
         CATEGORY = 2;
         DEVICE = 37;
+        PRIORITY = 1337;
     };
 
     ISR ISR38 {
         CATEGORY = 2;
         DEVICE = 38;
+        PRIORITY = 1338;
     };
 
     ISR ISR39 {
         CATEGORY = 2;
         DEVICE = 39;
+        PRIORITY = 1339;
     };
 
     ISR ISR40 {
         CATEGORY = 2;
         DEVICE = 40;
+        PRIORITY = 1340;
     };
 
 };