diff --git a/app/helpers/statistics_helper.rb b/app/helpers/statistics_helper.rb
index be6cd6104..91fe2bf84 100644
--- a/app/helpers/statistics_helper.rb
+++ b/app/helpers/statistics_helper.rb
@@ -4,9 +4,9 @@ module StatisticsHelper
   def data_format_string num
     result = num
     if num < 1
-      result = format("%0.1f", (num*1024)).to_s + " GB"
+      result = format("%0.1f", (num*1024)).to_s + " KB"
     elsif num < 1024
-      result = format("%0.1f", num).to_s + " GB"
+      result = format("%0.1f", num).to_s + " MB"
     elsif num < 1024 * 1024
       result = format("%0.1f", (num/1024)).to_s + " GB"
     else