modified   guix/build/node-build-system.scm                                                                                                                   
@@ -1,6 +1,7 @@                                                                                                                                               
 ;;; GNU Guix --- Functional package management for GNU                                                                                                       
 ;;; Copyright © 2015 David Thompson <davet@gnu.org>                                                                                                          
 ;;; Copyright © 2016 Jelle Licht <jlicht@fsfe.org>                                                                                                           
+;;; Copyright © 2018 swedebugia <swedebugia@riseup.net>                                                                                                      
 ;;;                                                                                                                                                          
 ;;; This file is part of GNU Guix.                                                                                                                           
 ;;;                                                                                                                                                          
@@ -108,9 +109,13 @@ is an npm global install."                                                                                                               
                          (#f #f))))                                                                                                                          
     (mkdir-p tgt-dir)                                                                                                                                        
     (copy-recursively "." (string-append tgt-dir "/node_modules/" modulename))                                                                               
-    ;; Remove references to dependencies                                                                                                                     
-    (delete-file-recursively                                                                                                                                 
-      (string-append tgt-dir "/node_modules/" modulename "/node_modules"))                                                                                   
+    ;; Remove references to bundled dependencies                                                                                                             
+    (let ((tgt-node-modules (string-append tgt-dir                                                                                                           
+                                           "/node_modules/" modulename "/node_modules")))                                                                    
+      ;; Check if tgt-node-modules exist and remove them if #t                                                                                               
+      (when (file-is-directory? tgt-node-modules)                                                                                                            
+        (delete-file-recursively                                                                                                                             
+         tgt-node-modules)))                                                                                                                                 
     (when global?                                                                                                                                            
       (cond                                                                                                                                                  
         ((string? bin-conf)