diff --git a/ogcore/default_parameters.json b/ogcore/default_parameters.json
index 3056b506a..09b87e539 100644
--- a/ogcore/default_parameters.json
+++ b/ogcore/default_parameters.json
@@ -1132,7 +1132,7 @@
         ],
         "validators": {
             "range": {
-                "min": 0.0,
+                "min": 0.00000001,
                 "max": 10.0
             }
         }
@@ -1154,7 +1154,7 @@
         ],
         "validators": {
             "range": {
-                "min": 0.00000001,
+                "min": 0.0,
                 "max": 10.0
             }
         }