diff --git a/designer/dconf.ui b/designer/dconf.ui
index 6618dd488..4b47511cd 100644
--- a/designer/dconf.ui
+++ b/designer/dconf.ui
@@ -345,7 +345,7 @@
             <double>999.000000000000000</double>
            </property>
            <property name="singleStep">
-            <double>0.050000000000000</double>
+            <double>1.000000000000000</double>
            </property>
            <property name="value">
             <double>100.000000000000000</double>