diff --git a/src/settings.ui b/src/settings.ui
index 46f5add..cd62c83 100644
--- a/src/settings.ui
+++ b/src/settings.ui
@@ -201,7 +201,7 @@
     <number>0</number>
    </property>
    <property name="maximum">
-    <number>20</number>
+    <number>30</number>
    </property>
    <property name="singleStep">
     <number>1</number>