diff --git a/src/DocumentStore.zig b/src/DocumentStore.zig
index e8448d2..fa6da16 100644
--- a/src/DocumentStore.zig
+++ b/src/DocumentStore.zig
@@ -614,7 +614,7 @@ pub fn uriFromImportStr(self: *DocumentStore, allocator: std.mem.Allocator, hand
                 return try allocator.dupe(u8, builtin_uri);
             }
         }
-        return try allocator.dupe(u8, self.builtin_path.?);
+        return try URI.fromPath(allocator, self.builtin_path.?);
     } else if (!std.mem.endsWith(u8, import_str, ".zig")) {
         if (handle.associated_build_file) |build_file| {
             for (build_file.packages.items) |pkg| {