diff --git a/src/main/java/de/tudresden/inf/mci/brailleplot/configparser/ConfigurationParser.java b/src/main/java/de/tudresden/inf/mci/brailleplot/configparser/ConfigurationParser.java
index b7b62a37611a261d2320c156f0db1760e46f3a54..4eeaccb9667ff22f25bf25a6b6e498d11d89914f 100644
--- a/src/main/java/de/tudresden/inf/mci/brailleplot/configparser/ConfigurationParser.java
+++ b/src/main/java/de/tudresden/inf/mci/brailleplot/configparser/ConfigurationParser.java
@@ -17,7 +17,7 @@ import java.util.Set;
  * @version 2019.07.18
  */
 
-abstract class ConfigurationParser {
+public abstract class ConfigurationParser {
 
     private FileInputStream mInput;
     private ConfigurationValidator mValidator;
diff --git a/src/main/java/de/tudresden/inf/mci/brailleplot/configparser/ValidProperty.java b/src/main/java/de/tudresden/inf/mci/brailleplot/configparser/ValidProperty.java
index fcf5002ef82cda762e5132e9e0e4dd6b9754066c..1e6cab259a832a5fd61820c6f4b505e357012465 100644
--- a/src/main/java/de/tudresden/inf/mci/brailleplot/configparser/ValidProperty.java
+++ b/src/main/java/de/tudresden/inf/mci/brailleplot/configparser/ValidProperty.java
@@ -5,7 +5,7 @@ package de.tudresden.inf.mci.brailleplot.configparser;
  * @author Leonard Kupper
  * @version 2019.06.04
  */
-abstract class ValidProperty {
+public abstract class ValidProperty {
     String mName;
     String mValue;