diff --git a/DataQuality/DataQualityUtils/scripts/physval_make_web_display.py b/DataQuality/DataQualityUtils/scripts/physval_make_web_display.py
index 14e5ed8e0fcf9f314958c073d91cabf449a9aff4..00caa4b028f5b52fe6935076c5a26874739787fa 100755
--- a/DataQuality/DataQualityUtils/scripts/physval_make_web_display.py
+++ b/DataQuality/DataQualityUtils/scripts/physval_make_web_display.py
@@ -296,7 +296,7 @@ if __name__=="__main__":
                       help='Draw 2D histograms with ratio plots')
     parser.add_option('--jsRoot',action='store_true', default=False,
                       help="make interactive jsRoot displays")
-    parser.add_option('--ratiorange', default=1.0, type=float,
+    parser.add_option('--ratiorange', default=None, type=float,
                       help='set range for ratio plots (as delta to 1.0)')
 
     options, args = parser.parse_args()