diff --git a/aqt/main.py b/aqt/main.py
index 1a59b8304..4f6e2e82f 100755
--- a/aqt/main.py
+++ b/aqt/main.py
@@ -58,6 +58,7 @@ class AnkiQt(QMainWindow):
     def setupUI(self):
         self.col = None
         self.state = "overview"
+        self.forceFullSync = False
         self.setupKeys()
         self.setupThreads()
         self.setupMainWindow()
@@ -504,6 +505,13 @@ Debug info:\n%s""") % traceback.format_exc(), help="DeckErrors")
             if not self.col:
                 self.loadCollection()
 
+    def onFullSync(self):
+        self.forceFullSync = True
+        self.col.modSchema()
+        self.col.setMod()
+        self.forceFullSync = False
+        self.onSync()
+
     # Tools
     ##########################################################################
 
@@ -799,6 +807,7 @@ Debug info:\n%s""") % traceback.format_exc(), help="DeckErrors")
         self.connect(m.actionCheckMediaDatabase, s, self.onCheckMediaDB)
         self.connect(m.actionDocumentation, s, self.onDocumentation)
         self.connect(m.actionDonate, s, self.onDonate)
+        self.connect(m.actionFullSync, s, self.onFullSync)
 
     def updateTitleBar(self):
         self.setWindowTitle("Anki")
@@ -847,6 +856,9 @@ the problem and restart Anki.""")
         # if triggered in sync, make sure we don't use the gui
         if not self.inMainThread():
             return True
+        # if from the full sync menu, ignore
+        if self.forceFullSync:
+            return True
         return askUser(_("""\
 The requested change will require a full upload of the database when \
 you next synchronize your collection. If you have reviews or other changes \
diff --git a/designer/main.ui b/designer/main.ui
index 62ba64443..d9a12b2d5 100644
--- a/designer/main.ui
+++ b/designer/main.ui
@@ -105,6 +105,7 @@
     <addaction name="separator"/>
     <addaction name="actionFullDatabaseCheck"/>
     <addaction name="actionCheckMediaDatabase"/>
+    <addaction name="actionFullSync"/>
     <addaction name="separator"/>
     <addaction name="menuPlugins"/>
     <addaction name="separator"/>
@@ -243,6 +244,11 @@
     <string>Ctrl+I</string>
    </property>
   </action>
+  <action name="actionFullSync">
+   <property name="text">
+    <string>Full Sync...</string>
+   </property>
+  </action>
  </widget>
  <resources>
   <include location="icons.qrc"/>