diff --git a/pipeline/ray-tracing/full-chain/ValidateChain.C b/pipeline/ray-tracing/full-chain/ValidateChain.C
index 83386a34..b67bb41d 100644
--- a/pipeline/ray-tracing/full-chain/ValidateChain.C
+++ b/pipeline/ray-tracing/full-chain/ValidateChain.C
@@ -51,7 +51,7 @@ Int_t ValidateChain(std::string fname) {
         return 3;
     }
 
-    if (integral2 < 0.125 || integral2 > 0.135) {
+    if (integral2 < 0.145 || integral2 > 0.155) {
         std::cout << "Average window transmission is not within the expected range!" << std::endl;
         return 5;
     }