diff --git a/clang/utils/analyzer/CmpRuns.py b/clang/utils/analyzer/CmpRuns.py
index 17d50ab65930..1b8fe7bd698d 100755
--- a/clang/utils/analyzer/CmpRuns.py
+++ b/clang/utils/analyzer/CmpRuns.py
@@ -311,7 +311,7 @@ def compareStats(resultsA, resultsB):
             report = "%.3f -> %.3f" % (valA, valB)
             # Only apply highlighting when writing to TTY and it's not Windows
             if sys.stdout.isatty() and os.name != 'nt':
-                if valA != 0:
+                if valB != 0:
                   ratio = (valB - valA) / valB
                   if ratio < -0.2:
                       report = Colors.GREEN + report + Colors.CLEAR