diff --git a/widgets/mainwindow.ui b/widgets/mainwindow.ui
index bf7ac9885..a932ca1cd 100644
--- a/widgets/mainwindow.ui
+++ b/widgets/mainwindow.ui
@@ -1036,7 +1036,7 @@ When not checked you can view the calibration results.</string>
                   <number>5000</number>
                  </property>
                  <property name="singleStep">
-                  <number>100</number>
+                  <number>50</number>
                  </property>
                  <property name="value">
                   <number>1400</number>
@@ -1058,7 +1058,7 @@ When not checked you can view the calibration results.</string>
                   <number>5000</number>
                  </property>
                  <property name="singleStep">
-                  <number>100</number>
+                  <number>50</number>
                  </property>
                  <property name="value">
                   <number>600</number>