diff --git a/[refs] b/[refs]
index 77d5116b678da..8044d9836e67b 100644
--- a/[refs]
+++ b/[refs]
@@ -1,3 +1,3 @@
 ---
 refs/heads/gh-pages: 09c786f70121f131b3715aaf3464996502bbeb7e
-"refs/heads/CMSSW_7_1_X": b9a2b52ee25c3850b9d8c20ed8135db2cc5f93be
+"refs/heads/CMSSW_7_1_X": 367c4a49ee344b50eda4d7260bf15f247a3d7ef3
diff --git a/trunk/CondFormats/Calibration/interface/Conf.h b/trunk/CondFormats/Calibration/interface/Conf.h
index 0ebdf3fb13ae5..f84e724c94d27 100644
--- a/trunk/CondFormats/Calibration/interface/Conf.h
+++ b/trunk/CondFormats/Calibration/interface/Conf.h
@@ -10,14 +10,14 @@
 namespace condex {
 
   struct ConfI : public cond::BaseKeyed {
-    ConfI()  : v(0), key('\0') {}
+    ConfI()  : v(0), key(' ') {}
     ConfI(std::string k, int i) : v(i), key(k) {}
     int v;
     std::string key; // just for test
   };
 
   struct ConfF : public cond::BaseKeyed {
-    ConfF() : v(0), key('\0') {}
+    ConfF() : v(0), key(' ') {}
     ConfF(std::string k, float i) : v(i), key(k) {}
     float v;
     std::string key; // just for test