diff --git a/src/main/java/ftbsc/lll/processor/LilleroProcessor.java b/src/main/java/ftbsc/lll/processor/LilleroProcessor.java
index c3d686e..c1c8c16 100644
--- a/src/main/java/ftbsc/lll/processor/LilleroProcessor.java
+++ b/src/main/java/ftbsc/lll/processor/LilleroProcessor.java
@@ -341,24 +341,10 @@ public class LilleroProcessor extends AbstractProcessor {
 
 				if(isMethod) {
 					ExecutableElement targetMethod = (ExecutableElement) target;
-					for(VariableElement p : targetMethod.getParameters()) {
-						ArrayContainer param = new ArrayContainer(p.asType());
-						b.addStatement(
-							"bd.addParameter($S, $L)",
-							param.innermostComponent,
-							param.arrayLevel
-						);
-					}
-					ArrayContainer ret = new ArrayContainer(targetMethod.getReturnType());
-					b.addStatement(
-						"bd.setReturnType($S, $L)",
-						ret.innermostComponent,
-						ret.arrayLevel
-					);
-				} else {
-					ArrayContainer arr = new ArrayContainer(target.asType());
-					b.addStatement("bd.setType($S, $L)", arr.innermostComponent, arr.arrayLevel);
-				}
+					for(VariableElement p : targetMethod.getParameters())
+						addTypeToProxyGenerator(b, "bd", "addParameter", p.asType());
+					addTypeToProxyGenerator(b, "bd", "setReturnType", targetMethod.getReturnType());
+				} else addTypeToProxyGenerator(b, "bd", "setType", target.asType());
 
 				b.addStatement("return bd.build()");
 
diff --git a/src/main/java/ftbsc/lll/processor/tools/JavaPoetUtils.java b/src/main/java/ftbsc/lll/processor/tools/JavaPoetUtils.java
index fe64488..51f058b 100644
--- a/src/main/java/ftbsc/lll/processor/tools/JavaPoetUtils.java
+++ b/src/main/java/ftbsc/lll/processor/tools/JavaPoetUtils.java
@@ -2,6 +2,8 @@ package ftbsc.lll.processor.tools;
 
 import com.squareup.javapoet.*;
 import ftbsc.lll.tools.DescriptorBuilder;
+import ftbsc.lll.proxies.MethodProxy;
+import ftbsc.lll.proxies.FieldProxy;
 
 import javax.lang.model.element.ExecutableElement;
 import javax.lang.model.element.Modifier;
@@ -109,4 +111,28 @@ public class JavaPoetUtils {
 		sb.append(")");
 		return sb.toString();
 	}
+
+	/**
+	 * Adds to the given {@link MethodSpec.Builder} the given line of code,
+	 * containing a call to a method of a {@link MethodProxy.Builder} or a
+	 * {@link FieldProxy.Builder}.
+	 * @param b the {@link MethodSpec.Builder}
+	 * @param proxyBuilderName the name of the proxy builder
+	 * @param proxyBuilderMethod the method to call
+	 * @param t the {@link TypeMirror} to add
+	 * @since 0.4.0
+	 */
+	public static void addTypeToProxyGenerator(MethodSpec.Builder b, String proxyBuilderName, String proxyBuilderMethod, TypeMirror t) {
+		String insn = String.format("%s.%s", proxyBuilderName, proxyBuilderMethod);
+		if(t.getKind().isPrimitive())
+			b.addStatement(insn + "($T.class)", t);
+		else {
+			ArrayContainer arr = new ArrayContainer(t);
+			b.addStatement(
+				insn + "($S, $L)",
+				arr.innermostComponent,
+				arr.arrayLevel
+			);
+		}
+	}
 }