diff --git a/Codist/Helpers/SemanticContext.cs b/Codist/Helpers/SemanticContext.cs
index bd7c52f6..18e16557 100644
--- a/Codist/Helpers/SemanticContext.cs
+++ b/Codist/Helpers/SemanticContext.cs
@@ -301,7 +301,7 @@ public List<SyntaxNode> GetContainingNodes(SnapshotPoint start, bool includeSynt
 				node = node.Parent;
 			}
 			nodes.Reverse();
-			if (includeRegions == false) {
+			if (includeRegions == false || _OutliningManager == null) {
 				return nodes;
 			}
 			foreach (var region in GetRegions(start)) {