diff --git a/app/models/landing_page/block/statistics.rb b/app/models/landing_page/block/statistics.rb
index 425a5da2e0..4acdb10a60 100644
--- a/app/models/landing_page/block/statistics.rb
+++ b/app/models/landing_page/block/statistics.rb
@@ -13,7 +13,7 @@ def x_axis_keys
     def rows
       csv_headers[1..].map do |header|
         values = csv_rows.map do |row|
-          row[header].to_f
+          row[header].to_f if row[header].present?
         end
 
         {
diff --git a/spec/models/landing_page/block/statistics_spec.rb b/spec/models/landing_page/block/statistics_spec.rb
index 4ea9ec063f..ea74fabb01 100644
--- a/spec/models/landing_page/block/statistics_spec.rb
+++ b/spec/models/landing_page/block/statistics_spec.rb
@@ -89,8 +89,8 @@
             0.6,
             0.7,
             0.5,
-            0.0,
-            0.0,
+            nil,
+            nil,
             0.5,
             0.6,
           ],