Index: trunk/MagicSoft/Mars/mtools/MChisqEval.cc
===================================================================
--- trunk/MagicSoft/Mars/mtools/MChisqEval.cc	(revision 8910)
+++ trunk/MagicSoft/Mars/mtools/MChisqEval.cc	(revision 8957)
@@ -146,10 +146,10 @@
     const Double_t y2 = fData1 ? fData1->GetValue() : 0;
 
-    const Double_t dy  = y2-y1;
-    const Double_t err = fData1 ? y1*y2 : 1;
+    const Double_t dy = y2-y1;
+    const Double_t er = fData1 ? y1*y2 : 1;
 
-    const Double_t w   = fWeight ? fWeight->GetVal() : 1;
+    const Double_t w  = fWeight ? fWeight->GetVal() : 1;
 
-    fChisq += w*dy*dy/err;
+    fChisq += w*dy*dy/er;
     fSumW  += w;