diff --git a/configdefinitions/src/vespa/configserver.def b/configdefinitions/src/vespa/configserver.def
index 3c399ac60ed..b2cf3fb59d5 100644
--- a/configdefinitions/src/vespa/configserver.def
+++ b/configdefinitions/src/vespa/configserver.def
@@ -61,7 +61,7 @@ tenantSecretDomain string default=""
 # Maintenance settings
 maintainerIntervalMinutes int default=30
 keepUnusedFileReferencesMinutes int default=300
-keepSessionsWithUnknownStatusHours int default=12
+keepSessionsWithUnknownStatusHours int default=6
 
 # Bootstrapping
 # How long bootstrapping can take before giving up (in seconds)