diff --git a/bundles/org.eclipse.orion.client.editor/web/orion/editor/tooltip.js b/bundles/org.eclipse.orion.client.editor/web/orion/editor/tooltip.js
index <HASH>..<HASH> 100644
--- a/bundles/org.eclipse.orion.client.editor/web/orion/editor/tooltip.js
+++ b/bundles/org.eclipse.orion.client.editor/web/orion/editor/tooltip.js
@@ -750,6 +750,7 @@ function Tooltip (view, editor) {
 							iframe.style.border = "none"; //$NON-NLS-0$
 							iframe.style.width = "100%"; //$NON-NLS-0$
 							iframe.style.height = "100%"; //$NON-NLS-0$
+							iframe.style.overflow = "auto";  //$NON-NLS-1$
 							// TODO The iframe computed height is always 3px smaller than the tooltip, giving the impression of inconsistent padding
 							this._tooltipDiv.style.paddingBottom = "5px";  //$NON-NLS-0$
 							iframe.srcdoc = data.content;
[nobug] - Allow scroll bars on Safari