diff --git a/app/controllers/concerns/data_table.rb b/app/controllers/concerns/data_table.rb
index abdfb4d..722ce68 100644
--- a/app/controllers/concerns/data_table.rb
+++ b/app/controllers/concerns/data_table.rb
@@ -34,19 +34,19 @@ class DataTable
   def range_predicates name
     col = @params[:columns][name]
     [
-      (@table[:name].gteq(col[:lower]) if col[:lower]),
-      (@table[:name].lteq(col[:upper]) if col[:upper])
+      (@table[name].gteq(col[:lower]) if col[:lower]),
+      (@table[name].lteq(col[:upper]) if col[:upper])
     ]
   end
 
   def eq_predicate name
-    value = @params[:columns][:name][:value]
-    @table[:name].eq(value) if value
+    value = @params[:columns][name][:value]
+    @table[name].eq(value) if value
   end
 
   def like_predicate name
-    value = @params[:columns][:name][:value]
-    @table[:name].matches("%#{value}%") if value
+    value = @params[:columns][name][:value]
+    @table[name].matches("%#{value}%") if value
   end
 
   private