diff --git a/src/main.zig b/src/main.zig
index c77f3c6..e8e96ca 100644
--- a/src/main.zig
+++ b/src/main.zig
@@ -225,7 +225,7 @@ fn nodeToCompletion(alloc: *std.mem.Allocator, tree: *std.zig.ast.Tree, decl: *s
     var doc_comments = try analysis.getDocComments(alloc, tree, decl);
     var doc = types.MarkupContent{
         .kind = .Markdown,
-        .value = doc_comments,
+        .value = doc_comments orelse "",
     };
 
     switch (decl.id) {