diff --git a/src/vs/editor/contrib/suggest/browser/suggestWidget.ts b/src/vs/editor/contrib/suggest/browser/suggestWidget.ts
index 7aeb510627088b0cf9e32c862190ae60af5c329c..840b94e083069f8597b82f8192932aaf32ccce03 100644
--- a/src/vs/editor/contrib/suggest/browser/suggestWidget.ts
+++ b/src/vs/editor/contrib/suggest/browser/suggestWidget.ts
@@ -228,6 +228,7 @@ class SuggestionDetails {
 			this.widget.toggleDetails();
 		};
 
+		this.body.scrollTop = 0;
 		this.scrollbar.scanDomNode();
 
 		this.ariaLabel = strings.format('{0}\n{1}\n{2}', item.suggestion.label || '', item.suggestion.detail || '', item.suggestion.documentation || '');