diff --git a/lib/bb/fetch2/npm.py b/lib/bb/fetch2/npm.py
index e469d6676..ad740f832 100644
--- a/lib/bb/fetch2/npm.py
+++ b/lib/bb/fetch2/npm.py
@@ -269,7 +269,8 @@ class Npm(FetchMethod):
             # Avoid conflicts between the environment data and:
             # - the proxy url checksum
             data = bb.data.createCopy(d)
-            data.delVarFlags("SRC_URI")
+            # XXX: What is the purpose of removing SRC_URI, it also removes the checksum...
+            #data.delVarFlags("SRC_URI")
             ud.proxy = Fetch([url], data)
 
     def _get_proxy_method(self, ud, d):