diff --git a/mrLoadRet/Plugin/GLM_v2/combineTransformOverlayFunctions/weightedMeanStd.m b/mrLoadRet/Plugin/GLM_v2/combineTransformOverlayFunctions/weightedMeanStd.m
old mode 100644
new mode 100755
index 41af7bdd4..9cab84d0a
--- a/mrLoadRet/Plugin/GLM_v2/combineTransformOverlayFunctions/weightedMeanStd.m
+++ b/mrLoadRet/Plugin/GLM_v2/combineTransformOverlayFunctions/weightedMeanStd.m
@@ -35,7 +35,7 @@
 
 %correct partial-sampling bias
 if nargout == 4
-  popMean = 0:.1:10 ;
+  popMean = 0:.1:round(nOverlays*1.25) ;
   popStddev = .1:.1:5 ;
   nMeans = length(popMean);
   nStddevs = length(popStddev);