diff --git a/denops/denippet/loader.ts b/denops/denippet/loader.ts
index df50e3d..186186f 100644
--- a/denops/denippet/loader.ts
+++ b/denops/denippet/loader.ts
@@ -1,5 +1,5 @@
 import { Denops } from "./deps/denops.ts";
-import { TOML, YAML } from "./deps/std.ts";
+import { path, TOML, YAML } from "./deps/std.ts";
 import { is, u } from "./deps/unknownutil.ts";
 import { asyncFilter } from "./util.ts";
 
@@ -136,7 +136,8 @@ export class Loader {
     let snippets: NormalizedSnippet[] = [];
 
     if (extension === "ts") {
-      const content = await import(filepath).then((module) => module.snippets);
+      const content = await import(path.toFileUrl(filepath).toString())
+        .then((module) => module.snippets);
       u.assert(content, is.RecordOf(isTSSnippet));
       snippets = Object.entries(content).map(([name, snip]) => ({
         ...snip,
diff --git a/denops/denippet/loader_test.ts b/denops/denippet/loader_test.ts
index b83544e..52f85fb 100644
--- a/denops/denippet/loader_test.ts
+++ b/denops/denippet/loader_test.ts
@@ -2,7 +2,8 @@ import { Loader } from "./loader.ts";
 import { op, test } from "./deps/denops.ts";
 import { assertEquals, path } from "./deps/std.ts";
 
-const testDataDir = new URL("../../test/data", import.meta.url).pathname;
+const pluginRoot = path.fromFileUrl(new URL("../..", import.meta.url));
+const testDataDir = path.join(pluginRoot, "test", "data");
 
 test({
   mode: "all",