diff --git a/dpkg/DEBIAN/control b/dpkg/DEBIAN/control
index d4885a4..1aa01fc 100644
--- a/dpkg/DEBIAN/control
+++ b/dpkg/DEBIAN/control
@@ -1,5 +1,5 @@
 Package: sweecrypt-gtk
-Version: 1.1
+Version: 1.2
 Section: utils
 Priority: optional
 Architecture: all
diff --git a/sweecrypt-gtk.py b/sweecrypt-gtk.py
index cd21950..685ca2a 100644
--- a/sweecrypt-gtk.py
+++ b/sweecrypt-gtk.py
@@ -14,12 +14,13 @@ class GUI:
         checkbox.set_property("label", "Encode" if checkbox.get_property("active") else "Decode")
     def start_clicked(self, start):
         encode = self.builder.get_object('encode').get_property("active")
+        shift = int(self.builder.get_object('shift').get_property("value"))
         inputted = self.builder.get_object('text').get_property("text")
         if encode:
-            self.builder.get_object('text').set_property("text", sc.encrypt(inputted))
+            self.builder.get_object('text').set_property("text", sc.encrypt(inputted, shift))
             self.builder.get_object('encode').set_property("active", False)
         else:
-            self.builder.get_object('text').set_property("text", sc.decrypt(inputted))
+            self.builder.get_object('text').set_property("text", sc.decrypt(inputted, shift))
             self.builder.get_object('encode').set_property("active", True)
 def main():
     app = GUI()
diff --git a/sweecrypt-gtk.ui b/sweecrypt-gtk.ui
index a1703bf..9d83ac2 100644
--- a/sweecrypt-gtk.ui
+++ b/sweecrypt-gtk.ui
@@ -2,6 +2,12 @@
 <!-- Generated with glade 3.40.0 -->
 <interface>
   <requires lib="gtk+" version="3.24"/>
+  <object class="GtkAdjustment" id="database-shift">
+    <property name="lower">-100</property>
+    <property name="upper">100</property>
+    <property name="step-increment">1</property>
+    <property name="page-increment">10</property>
+  </object>
   <object class="GtkTextBuffer" id="text">
     <property name="text" translatable="yes">replace this text with anything
 you want to encode or decode.</property>
@@ -51,6 +57,18 @@ you want to encode or decode.</property>
                 <property name="active">True</property>
                 <signal name="toggled" handler="toggle" swapped="no"/>
               </object>
+              <packing>
+                <property name="expand">False</property>
+                <property name="fill">True</property>
+                <property name="position">0</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkLabel">
+                <property name="visible">True</property>
+                <property name="can-focus">False</property>
+                <property name="label" translatable="yes">Database shift: </property>
+              </object>
               <packing>
                 <property name="expand">False</property>
                 <property name="fill">True</property>
@@ -72,6 +90,22 @@ you want to encode or decode.</property>
                 <property name="position">2</property>
               </packing>
             </child>
+            <child>
+              <object class="GtkSpinButton" id="shift">
+                <property name="visible">True</property>
+                <property name="can-focus">True</property>
+                <property name="caps-lock-warning">False</property>
+                <property name="primary-icon-tooltip-text" translatable="yes">Database shift</property>
+                <property name="adjustment">database-shift</property>
+                <property name="climb-rate">1</property>
+                <property name="numeric">True</property>
+              </object>
+              <packing>
+                <property name="expand">False</property>
+                <property name="fill">True</property>
+                <property name="position">3</property>
+              </packing>
+            </child>
           </object>
           <packing>
             <property name="expand">False</property>