diff --git a/thrimbletrimmer/scripts/IO.js b/thrimbletrimmer/scripts/IO.js
index e50636c..b516884 100644
--- a/thrimbletrimmer/scripts/IO.js
+++ b/thrimbletrimmer/scripts/IO.js
@@ -11,6 +11,7 @@ pageSetup = function(isEditor) {
                 alert("No video available for stream.");
                 return;
             }
+			document.data = data
             desertBusStart = new Date(data.bustime_start);
             document.getElementById("VideoTitlePrefix").value = data.title_prefix;
             document.getElementById("VideoTitle").setAttribute("maxlength", data.title_max_length);
@@ -230,7 +231,7 @@ loadPlaylist = function(isEditor, startTrim, endTrim, defaultQuality) {
     });
 };
 
-thrimbletrimmerSubmit = function(state) {
+thrimbletrimmerSubmit = function(state, override_changes=false) {
     document.getElementById('SubmitButton').disabled = true;
     var discontinuities = mapDiscontinuities();
 
@@ -250,11 +251,22 @@ thrimbletrimmerSubmit = function(state) {
         video_channel:document.getElementById("StreamName").value,
         video_quality:document.getElementById('qualityLevel').options[document.getElementById('qualityLevel').options.selectedIndex].value,
         uploader_whitelist:(document.getElementById('uploaderWhitelist').value ? document.getElementById('uploaderWhitelist').value.split(','):null),
-        state:state,
+		state:state,
+		//pass back the sheet columns to check if any have changed
+		sheet_name:document.data.sheet_name,
+		event_start:document.data.event_start,
+		event_end:document.data.event_end,
+		category:document.data.category,
+		description:document.data.description,
+		notes:document.data.notes,
+
     };
     if (!!user) {
         wubData.token = user.getAuthResponse().id_token
     }
+	if (override_changes) {
+		wubData["override_changes"] = true;
+	}
     console.log(wubData);
     console.log(JSON.stringify(wubData));
 
@@ -262,8 +274,9 @@ thrimbletrimmerSubmit = function(state) {
 	if (!wubData.video_end) {alert("No end time set"); return;}
 
     //Submit to thrimshim
-    var rowId = /id=(.*)(?:&|$)/.exec(document.location.search)[1];
-    fetch("/thrimshim/"+rowId, {
+	var rowId = /id=(.*)(?:&|$)/.exec(document.location.search)[1];
+	path = "/thrimshim/" + rowId + "?override_changes=" + override_changes; 
+    fetch(path, {
         method: 'POST',
         headers: {
             'Accept': 'application/json',
@@ -275,7 +288,14 @@ thrimbletrimmerSubmit = function(state) {
         if (!response.ok) {
             var error = response.statusText + ": " + text;
             console.log(error);
-            alert(error);
+			if (response.status == 409) {
+				if (confirm(text)) {
+					thrimbletrimmerSubmit(state, true);
+					
+			  } else { 
+            		alert(error);
+			    }
+			}
         } else if (state == 'EDITED') {
             // Only return to dashboard if submitted, not for save draft
             setTimeout(() => { window.location.href = '/thrimbletrimmer/dashboard.html'; }, 500);
diff --git a/thrimshim/thrimshim/main.py b/thrimshim/thrimshim/main.py
index 368467c..17bee0c 100644
--- a/thrimshim/thrimshim/main.py
+++ b/thrimshim/thrimshim/main.py
@@ -182,8 +182,9 @@ def get_row(ident):
 @app.route('/thrimshim/<uuid:ident>', methods=['POST'])
 @request_stats
 @authenticate
-def update_row(ident, editor=None, override_changes=False):
+def update_row(ident, editor=None):
 	new_row = flask.request.json
+        override_changes = 'override_changes' in new_row
 	"""Updates row of database with id = ident with the edit columns in
 	new_row."""
 
@@ -240,7 +241,7 @@ def update_row(ident, editor=None, override_changes=False):
 		if isinstance(old_row[column], datetime.datetime):
 			old_row[column] = old_row[column].isoformat()
 		if new_row[column] != old_row[column]:
-			changes += '{}:: Database: {} Thrimbletrimmer: {}\n'.format(column, old_row[column], new_row[column])
+			changes += '{}: Database: {} Thrimbletrimmer: {}\n'.format(column, old_row[column], new_row[column])
 	if changes and not override_changes:
 		return 'Sheet columns have changed since editing has begun. Please review changes\n' + changes, 409
 
@@ -272,7 +273,7 @@ def update_row(ident, editor=None, override_changes=False):
 		).format(sql.SQL(", ").join(
 			sql.SQL("{} = {}").format(
 				sql.Identifier(column), sql.Placeholder(column),
-			) for column in new_row.keys()
+			) for column in new_row.keys() if column not in sheet_columns
 	))
 	result = database.query(conn, build_query, id=ident, **new_row)
 	if result.rowcount != 1: