diff --git a/harness/experiments/state-label-layout-20260924/.gitattributes b/harness/experiments/state-label-layout-20260924/.gitattributes
index 6fac736a..a884f16d 100644
--- a/harness/experiments/state-label-layout-20260924/.gitattributes
+++ b/harness/experiments/state-label-layout-20260924/.gitattributes
@@ -1,2 +1,2 @@
 # Preserve receipt and review bytes exactly as bound by the evidence indexes.
-* -text
+* -text whitespace=blank-at-eol,blank-at-eof,space-before-tab,cr-at-eol