diff --git a/Gemfile b/Gemfile
index 02789f5b..84da2b1a 100644
--- a/Gemfile
+++ b/Gemfile
@@ -37,7 +37,7 @@ gem 'rest-client'
 gem 'rubyzip'
 gem 'mnemosyne-ruby'
 gem 'faraday'
-gem 'proforma', path: '../proforma' #, git: 'git://github.com/openHPI/proforma.git' # use version not master
+gem 'proforma', git: 'https://github.com/openHPI/proforma.git', tag: 'v0.3.2'
 gem 'whenever', require: false
 gem 'rails-timeago'
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 862b636c..42a75329 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -7,10 +7,12 @@ GIT
       rack (>= 1.5.0)
       websocket (>= 1.1.0)
 
-PATH
-  remote: ../proforma
+GIT
+  remote: https://github.com/openHPI/proforma.git
+  revision: 6784ace5bb4449fd53f419fa1eb40dfc04e8f086
+  tag: v0.3.2
   specs:
-    proforma (0.1.0)
+    proforma (0.3.2)
       activemodel (~> 5.2.3)
       activesupport (~> 5.2.3)
       nokogiri (~> 1.10.2)
diff --git a/app/controllers/exercises_controller.rb b/app/controllers/exercises_controller.rb
index 77f35ba4..1687f4ab 100644
--- a/app/controllers/exercises_controller.rb
+++ b/app/controllers/exercises_controller.rb
@@ -177,11 +177,10 @@ class ExercisesController < ApplicationController
       exercise.save!
       return render json: {}, status: 201
     end
-    # logger.info(exercise.errors.full_messages)
-    # render json: {}, status: 400
   rescue Proforma::ProformaError
     render json: t('exercises.export_codeharbor.export_errors.invalid'), status: 400
   rescue StandardError
+    logger.info(exercise.errors.full_messages)
     render json: t('exercises.export_codeharbor.export_errors.internal_error'), status: 500
   end