diff --git a/lib/widget.js b/lib/widget.js
index a6f7e18..bea3f41 100644
--- a/lib/widget.js
+++ b/lib/widget.js
@@ -7141,6 +7141,7 @@ Table.prototype.render = function() {
   // Apply attributes to header cells and cells.
   // Problem: Does not allow for tags in cells.
   // for (var y = this.iheight / 2; y < height; y++) {
+  //   if (!lines[yi + y]) break;
   //   for (var x = this.iwidth / 2; x < width; x++) {
   //     if (y === this.iheight / 2) {
   //       lines[yi + y][xi + x][0] = header;
@@ -7155,6 +7156,7 @@ Table.prototype.render = function() {
   // Draw border with correct angles.
   ry = 0;
   for (i = 0; i < self.rows.length + 1; i++) {
+    if (!lines[yi + ry]) break;
     rx = 0;
     self._maxes.forEach(function(max, i) {
       rx += max;
@@ -7211,6 +7213,7 @@ Table.prototype.render = function() {
 
   // Draw internal borders.
   for (ry = 1; ry < self.rows.length * 2; ry++) {
+    if (!lines[yi + ry]) break;
     rx = 0;
     self._maxes.slice(0, -1).forEach(function(max, i) {
       rx += max;
@@ -7445,6 +7448,7 @@ ListTable.prototype.render = function() {
   // Draw border with correct angles.
   ry = 0;
   for (i = 0; i < height + 1; i++) {
+    if (!lines[yi + ry]) break;
     rx = 0;
     self._maxes.slice(0, -1).forEach(function(max, i) {
       rx += max;
@@ -7467,6 +7471,7 @@ ListTable.prototype.render = function() {
 
   // Draw internal borders.
   for (ry = 1; ry < height; ry++) {
+    if (!lines[yi + ry]) break;
     rx = 0;
     self._maxes.slice(0, -1).forEach(function(max, i) {
       rx += max;