diff --git a/ml/global.R b/ml/global.R
index ab798ae..940dc4b 100644
--- a/ml/global.R
+++ b/ml/global.R
@@ -143,7 +143,7 @@ makeplot = function(x, # the DataFrame to plot
   plot_data    = x[x$resampling==resampler,]
   y_coord_min = min(plot_data[selection], na.rm=TRUE)
   
-  if (y_coord_min >= 0) {
+  if (y_coord_min > 0) {
     y_coord_min = 0
   }
   if (display_infobox) {