diff --git a/app/controllers/plans_controller.rb b/app/controllers/plans_controller.rb
index 2a55a14..25216b7 100644
--- a/app/controllers/plans_controller.rb
+++ b/app/controllers/plans_controller.rb
@@ -367,8 +367,7 @@
       @exported_plan = ExportedPlan.new.tap do |ep|
         ep.plan = @plan
         ep.user = current_user
-        #ep.format = request.format.try(:symbol)
-        ep.format = request.format.to_sym
+        ep.format = params[:format].to_sym
         plan_settings = @plan.settings(:export)
 
         Settings::Template::DEFAULT_SETTINGS.each do |key, value|
@@ -376,27 +375,30 @@
         end
       end
 
-      @exported_plan.save! # FIXME: handle invalid request types without erroring?
-      file_name = @exported_plan.project_name
+      begin
+        @exported_plan.save!
+        file_name = @exported_plan.project_name
 
-      respond_to do |format|
-        format.html
-        format.xml
-        format.json
-        format.csv  { send_data @exported_plan.as_csv, filename: "#{file_name}.csv" }
-        format.text { send_data @exported_plan.as_txt, filename: "#{file_name}.txt" }
-        format.docx { headers["Content-Disposition"] = "attachment; filename=\"#{file_name}.docx\""}
-        format.pdf do
-          @formatting = @plan.settings(:export).formatting
-          render pdf: file_name,
-            margin: @formatting[:margin],
-            footer: {
-              center:    _('This document was generated by %{application_name}') % {application_name: Rails.configuration.branding[:application][:name]},
-              font_size: 8,
-              spacing:   (@formatting[:margin][:bottom] / 2) - 4,
-              right:     '[page] of [topage]'
-            }
+        respond_to do |format|
+          format.html
+          format.csv  { send_data @exported_plan.as_csv, filename: "#{file_name}.csv" }
+          format.text { send_data @exported_plan.as_txt, filename: "#{file_name}.txt" }
+          format.docx { headers["Content-Disposition"] = "attachment; filename=\"#{file_name}.docx\""}
+          format.pdf do
+            @formatting = @plan.settings(:export).formatting
+            render pdf: file_name,
+              margin: @formatting[:margin],
+              footer: {
+                center:    _('This document was generated by %{application_name}') % {application_name: Rails.configuration.branding[:application][:name]},
+                font_size: 8,
+                spacing:   (@formatting[:margin][:bottom] / 2) - 4,
+                right:     '[page] of [topage]'
+              }
+          end
         end
+      rescue ActiveRecord::RecordInvalid => e
+        redirect_to show_export_plan_path(@plan), notice: _('%{format} is not a valid exporting format. Available formats to export are %{available_formats}.') %
+        {format: params[:format], available_formats: ExportedPlan::VALID_FORMATS.to_s}
       end
     elsif !user_signed_in? then
       respond_to do |format|
@@ -404,7 +406,7 @@
       end
     elsif !@plan.editable_by(current_user.id) then
       respond_to do |format|
-        format.html { redirect_to projects_url, notice: _('This account does not have access to that plan.') }
+        format.html { redirect_to plans_path, notice: _('This account does not have access to that plan.') }
       end
     end
   end
diff --git a/app/models/exported_plan.rb b/app/models/exported_plan.rb
index f1562d7..0ce6426 100644
--- a/app/models/exported_plan.rb
+++ b/app/models/exported_plan.rb
@@ -9,7 +9,7 @@
   belongs_to :plan
   belongs_to :user
 
-  VALID_FORMATS = ['csv', 'html', 'json', 'pdf', 'text', 'xml', 'docx']
+  VALID_FORMATS = ['csv', 'html', 'pdf', 'text', 'docx']
 
   validates :format, inclusion: { 
     in: VALID_FORMATS,