diff options
| -rw-r--r-- | browser/components/sessionstore/content/aboutSessionRestore.js | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/browser/components/sessionstore/content/aboutSessionRestore.js b/browser/components/sessionstore/content/aboutSessionRestore.js index 8a9410aa8..165f48041 100644 --- a/browser/components/sessionstore/content/aboutSessionRestore.js +++ b/browser/components/sessionstore/content/aboutSessionRestore.js @@ -188,6 +188,9 @@ function onListClick(aEvent) { if (aEvent.button == 2) return; + if (!treeView.treeBox) { + return; + } var cell = treeView.treeBox.getCellAt(aEvent.clientX, aEvent.clientY); if (cell.col) { // Restore this specific tab in the same window for middle/double/accel clicking |