diff --git a/dist/index.js b/dist/index.js
index 039bd7a..7c17321 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -13,7 +13,7 @@ const defaultTsNodeOptions = {
 };
 if (process.argv.includes('--web')) {
     const previousCompilerOptions = defaultTsNodeOptions.compilerOptions;
-    defaultTsNodeOptions.compilerOptions = Object.assign({}, previousCompilerOptions, { lib: [previousCompilerOptions.lib, 'dom'] });
+    defaultTsNodeOptions.compilerOptions = Object.assign({}, previousCompilerOptions, { lib: [...previousCompilerOptions.lib, 'dom'] });
 }
 if (process.argv.includes('--nocache')) {
     defaultTsNodeOptions.cache = false;
@@ -27,4 +27,4 @@ if (process.env.CLI_CALL_TSRUN) {
     const pathToLoad = path.join(process.cwd(), pathToTsFile);
     Promise.resolve().then(() => require(pathToLoad));
 }
-//# sourceMappingURL=data:application/json;base64,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
\ No newline at end of file
+//# sourceMappingURL=data:application/json;base64,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
\ No newline at end of file
diff --git a/ts/index.ts b/ts/index.ts
index 979b63d..db646ea 100644
--- a/ts/index.ts
+++ b/ts/index.ts
@@ -16,7 +16,7 @@ if (process.argv.includes('--web')) {
   const previousCompilerOptions = defaultTsNodeOptions.compilerOptions as CompilerOptions;
   defaultTsNodeOptions.compilerOptions = {
     ...previousCompilerOptions,
-    lib: [previousCompilerOptions.lib, 'dom']
+    lib: [...previousCompilerOptions.lib, 'dom']
   }
 }