diff --git a/src/vorta/assets/UI/snapshottab.ui b/src/vorta/assets/UI/snapshottab.ui
index 5337c502..ef3f06a4 100644
--- a/src/vorta/assets/UI/snapshottab.ui
+++ b/src/vorta/assets/UI/snapshottab.ui
@@ -103,7 +103,11 @@
       </widget>
      </item>
      <item>
-      <widget class="QSpinBox" name="prune_hour"/>
+      <widget class="QSpinBox" name="prune_hour">
+       <property name="minimum">
+        <number>-1</number>
+       </property>
+      </widget>
      </item>
      <item>
       <widget class="QLabel" name="label_6">
@@ -113,7 +117,11 @@
       </widget>
      </item>
      <item>
-      <widget class="QSpinBox" name="prune_day"/>
+      <widget class="QSpinBox" name="prune_day">
+       <property name="minimum">
+        <number>-1</number>
+       </property>
+      </widget>
      </item>
      <item>
       <widget class="QLabel" name="label_7">
@@ -123,7 +131,11 @@
       </widget>
      </item>
      <item>
-      <widget class="QSpinBox" name="prune_week"/>
+      <widget class="QSpinBox" name="prune_week">
+       <property name="minimum">
+        <number>-1</number>
+       </property>
+      </widget>
      </item>
      <item>
       <widget class="QLabel" name="label_8">
@@ -133,7 +145,11 @@
       </widget>
      </item>
      <item>
-      <widget class="QSpinBox" name="prune_month"/>
+      <widget class="QSpinBox" name="prune_month">
+       <property name="minimum">
+        <number>-1</number>
+       </property>
+      </widget>
      </item>
      <item>
       <widget class="QLabel" name="label_9">
@@ -143,7 +159,11 @@
       </widget>
      </item>
      <item>
-      <widget class="QSpinBox" name="prune_year"/>
+      <widget class="QSpinBox" name="prune_year">
+       <property name="minimum">
+        <number>-1</number>
+       </property>
+      </widget>
      </item>
      <item>
       <widget class="QLabel" name="label_10">