1 files changed, 5 insertions, 0 deletions
diff --git a/lib/path.js b/lib/path.js
index 44ef0d68e..fc5e650ce 100644
--- a/lib/path.js
+++ b/lib/path.js
@@ -163,6 +163,11 @@ if (isWindows) {
     resolvedTail = normalizeArray(resolvedTail.split(/[\\\/]+/).filter(f),
                                   !resolvedAbsolute).join('\\');
 
+     // If device is a drive letter, we'll normalize to lower case.
+     if (resolvedDevice && resolvedDevice.charAt(1) === ':')
+       resolvedDevice = resolvedDevice[0].toLowerCase() +
+        resolvedDevice.substr(1);
+
     return (resolvedDevice + (resolvedAbsolute ? '\\' : '') + resolvedTail) ||
            '.';
   };