diff --git a/components/p3a/brave_histogram_rewrite.cc b/components/p3a/brave_histogram_rewrite.cc
index 66aa8cc6a40..24509cd3ac8 100644
--- a/components/p3a/brave_histogram_rewrite.cc
+++ b/components/p3a/brave_histogram_rewrite.cc
@@ -98,7 +98,7 @@ void DoHistogramBravezation(base::StringPiece histogram_name,
       answer = 3;
     }
 
-    UMA_HISTOGRAM_EXACT_LINEAR("Brave.Core.WindowCount.2", answer, 2);
+    UMA_HISTOGRAM_EXACT_LINEAR("Brave.Core.WindowCount.2", answer, 3);
     return;
   }
 }