diff --git a/pom.xml b/pom.xml
index 63e8985a..8fe3f636 100644
--- a/pom.xml
+++ b/pom.xml
@@ -54,8 +54,8 @@ http://maven.apache.org/maven-v4_0_0.xsd">
 				<version>3.8.0</version>
 				<configuration>
 					<compilerArgs>--enable-preview</compilerArgs>
-                    <source>20</source>
-                    <target>20</target>
+                    <source>19</source>
+                    <target>19</target>
                 </configuration>
 			</plugin>
 			<plugin>
@@ -112,8 +112,8 @@ http://maven.apache.org/maven-v4_0_0.xsd">
 		</repository>
 	</repositories>
 	<properties>
-		<maven.compiler.source>20</maven.compiler.source>
-		<maven.compiler.target>20</maven.compiler.target>
+		<maven.compiler.source>19</maven.compiler.source>
+		<maven.compiler.target>19</maven.compiler.target>
 		<mainClass>de.dhbwstuttgart.core.ConsoleInterface</mainClass>
 	</properties>
 	<distributionManagement>
diff --git a/src/main/java/de/dhbwstuttgart/typedeployment/TypeInsertPlacer.java b/src/main/java/de/dhbwstuttgart/typedeployment/TypeInsertPlacer.java
index 71c1a67c..bbeda06c 100644
--- a/src/main/java/de/dhbwstuttgart/typedeployment/TypeInsertPlacer.java
+++ b/src/main/java/de/dhbwstuttgart/typedeployment/TypeInsertPlacer.java
@@ -55,8 +55,8 @@ class TypeInsertPlacerClass extends AbstractASTWalker{
     @Override
     public void visit(Method method) {
         this.method = method;
-        //constraints = generatedGenerics.getMethodConstraintsByID(id);
-		classConstraints = generatedGenerics.get(method);
+        constraints = generatedGenerics.get(method);
+		classConstraints = generatedGenerics.get(cl);
         if(method.getReturnType() instanceof TypePlaceholder)
             inserts.add(TypeInsertFactory.createInsertPoints(
                     method.getReturnType(), method.getReturnType().getOffset(), cl, method, results, constraints, classConstraints));
diff --git a/src/test/java/TestTypeDeployment.java b/src/test/java/TestTypeDeployment.java
new file mode 100644
index 00000000..bd2f5438
--- /dev/null
+++ b/src/test/java/TestTypeDeployment.java
@@ -0,0 +1,40 @@
+import de.dhbwstuttgart.core.JavaTXCompiler;
+import de.dhbwstuttgart.parser.scope.JavaClassName;
+import de.dhbwstuttgart.syntaxtree.SourceFile;
+import de.dhbwstuttgart.typedeployment.TypeInsert;
+import de.dhbwstuttgart.typedeployment.TypeInsertFactory;
+import de.dhbwstuttgart.typeinference.result.ResultSet;
+import org.junit.Test;
+
+import java.io.File;
+import java.nio.file.Path;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
+
+public class TestTypeDeployment {
+
+    @Test
+    public void testTypeDeployment() throws Exception {
+        var path = Path.of(System.getProperty("user.dir"), "/resources/bytecode/javFiles/Cycle.jav");
+        var file = path.toFile();
+        var compiler = new JavaTXCompiler(file, false);
+        var parsedSource = compiler.sourceFiles.get(file);
+        var tiResults = compiler.typeInference();
+        Set<TypeInsert> tips = new HashSet<>();
+
+        for (var sf : compiler.sourceFiles.values()) {
+            Map<JavaClassName, byte[]> bytecode = compiler.generateBytecode(sf, tiResults);
+        }
+
+        System.out.println(compiler.getGeneratedGenerics());
+
+        for (int i = 0; i < tiResults.size(); i++) {
+            ResultSet tiResult = tiResults.get(i);
+            tips.addAll(TypeInsertFactory.createTypeInsertPoints(parsedSource, tiResult, compiler.getGeneratedGenerics().get(compiler.sourceFiles.get(file)).get(i)));
+            for (TypeInsert p : tips) {
+                System.out.println(p);
+            }
+        }
+    }
+}