diff --git a/[refs] b/[refs]
index 6370af86a43b2..45c2dde26a88e 100644
--- a/[refs]
+++ b/[refs]
@@ -1,3 +1,3 @@
 ---
 refs/heads/gh-pages: 09c786f70121f131b3715aaf3464996502bbeb7e
-"refs/heads/CMSSW_7_1_X": 09b8b5beea0a484413eab4c73b2cbe6429a1cec0
+"refs/heads/CMSSW_7_1_X": 0b51141ed6c05b9d8a292823f9d126f59ea5dfab
diff --git a/trunk/SimMuon/Neutron/BuildFile b/trunk/SimMuon/Neutron/BuildFile
index ee100e134288d..167e55354d375 100644
--- a/trunk/SimMuon/Neutron/BuildFile
+++ b/trunk/SimMuon/Neutron/BuildFile
@@ -5,7 +5,7 @@
   <use name=FWCore/ParameterSet>
   <use name=FWCore/MessageLogger>
   <use name=CLHEP>
-  <use name=root>
+  <use name=rootcore>
 </export>
 
 <use name=SimDataFormats/EncodedEventId>
@@ -13,4 +13,4 @@
 <use name=FWCore/ParameterSet>
 <use name=FWCore/MessageLogger>
 <use name=CLHEP>
-<use name=root>
+<use name=rootcore>