diff --git a/Configuration/Applications/python/ConfigBuilder.py b/Configuration/Applications/python/ConfigBuilder.py
index 3e3e11fc10da3..f407ac232949a 100644
--- a/Configuration/Applications/python/ConfigBuilder.py
+++ b/Configuration/Applications/python/ConfigBuilder.py
@@ -88,7 +88,7 @@ class Options:
 defaultOptions.nThreads = '1'
 defaultOptions.nStreams = '0'
 defaultOptions.nConcurrentLumis = '0'
-defaultOptions.nConcurrentIOVs = '1'
+defaultOptions.nConcurrentIOVs = '0'
 defaultOptions.accelerators = None
 
 # some helper routines