diff --git a/testsrc/de/steamwar/command/PartOfCommand.java b/testsrc/de/steamwar/command/PartOfCommand.java
index 4f2fe9a..9c66a4b 100644
--- a/testsrc/de/steamwar/command/PartOfCommand.java
+++ b/testsrc/de/steamwar/command/PartOfCommand.java
@@ -44,7 +44,7 @@ public class PartOfCommand {
             return new TestTypeMapper<Integer>() {
                 @Override
                 public Integer map(String sender, PreviousArguments previousArguments, String s) {
-                    return Integer.parseInt(s);
+                    return -1;
                 }
 
                 @Override
@@ -64,7 +64,7 @@ public class PartOfCommand {
 
         @Register
         public void execute(String s, @Mapper("test") int i) {
-            throw new ExecutionIdentifier("SubCommand with int");
+            throw new ExecutionIdentifier("SubCommand with int " + i);
         }
     }
 }
diff --git a/testsrc/de/steamwar/command/PartOfCommandTest.java b/testsrc/de/steamwar/command/PartOfCommandTest.java
index b02614a..726384e 100644
--- a/testsrc/de/steamwar/command/PartOfCommandTest.java
+++ b/testsrc/de/steamwar/command/PartOfCommandTest.java
@@ -36,8 +36,7 @@ public class PartOfCommandTest {
             command.execute("test", "", new String[]{"0"});
             assertThat(true, is(false));
         } catch (Exception e) {
-            e.printStackTrace();
-            assertCMDFramework(e, ExecutionIdentifier.class, "SubCommand with int");
+            assertCMDFramework(e, ExecutionIdentifier.class, "SubCommand with int -1");
         }
     }
 }