diff --git a/lib/jsdoc/path.js b/lib/jsdoc/path.js
index 9e3c4d48..4ddb031d 100644
--- a/lib/jsdoc/path.js
+++ b/lib/jsdoc/path.js
@@ -16,9 +16,9 @@ function prefixReducer(previousPath, current) {
         return currentPath;
     }
 
-    currentPath = path.resolve( process.cwd(), path.dirname(current) ).split(path.sep);
+    currentPath = path.resolve( process.cwd(), path.dirname(current) ).split(path.sep) || [];
 
-    if (previousPath) {
+    if (previousPath && currentPath.length) {
         // remove chunks that exceed the previous path's length
         currentPath = currentPath.slice(0, previousPath.length);