diff --git a/lib/internal/url.js b/lib/internal/url.js
index 302d3fa08753a5..467aea4ee91e85 100644
--- a/lib/internal/url.js
+++ b/lib/internal/url.js
@@ -1431,8 +1431,8 @@ function encodePathChars(filepath) {
 }
 
 function pathToFileURL(filepath) {
-  const outURL = new URL('file://');
   if (isWindows && StringPrototypeStartsWith(filepath, '\\\\')) {
+    const outURL = new URL('file://');
     // UNC path format: \\server\share\resource
     const hostnameEndIndex = StringPrototypeIndexOf(filepath, '\\', 2);
     if (hostnameEndIndex === -1) {
@@ -1453,18 +1453,17 @@ function pathToFileURL(filepath) {
     outURL.hostname = domainToASCII(hostname);
     outURL.pathname = encodePathChars(
       RegExpPrototypeSymbolReplace(backslashRegEx, StringPrototypeSlice(filepath, hostnameEndIndex), '/'));
-  } else {
-    let resolved = path.resolve(filepath);
-    // path.resolve strips trailing slashes so we must add them back
-    const filePathLast = StringPrototypeCharCodeAt(filepath,
-                                                   filepath.length - 1);
-    if ((filePathLast === CHAR_FORWARD_SLASH ||
-         (isWindows && filePathLast === CHAR_BACKWARD_SLASH)) &&
-        resolved[resolved.length - 1] !== path.sep)
-      resolved += '/';
-    outURL.pathname = encodePathChars(resolved);
-  }
-  return outURL;
+    return outURL;
+  }
+  let resolved = path.resolve(filepath);
+  // path.resolve strips trailing slashes so we must add them back
+  const filePathLast = StringPrototypeCharCodeAt(filepath,
+                                                 filepath.length - 1);
+  if ((filePathLast === CHAR_FORWARD_SLASH ||
+       (isWindows && filePathLast === CHAR_BACKWARD_SLASH)) &&
+      resolved[resolved.length - 1] !== path.sep)
+    resolved += '/';
+  return new URL(encodePathChars(resolved), 'file://');
 }
 
 function toPathIfFileURL(fileURLOrPath) {