diff --git a/src/main/java/ftbsc/lll/processor/LilleroProcessor.java b/src/main/java/ftbsc/lll/processor/LilleroProcessor.java
index 957785b..e023677 100644
--- a/src/main/java/ftbsc/lll/processor/LilleroProcessor.java
+++ b/src/main/java/ftbsc/lll/processor/LilleroProcessor.java
@@ -332,12 +332,12 @@ public class LilleroProcessor extends AbstractProcessor {
 				for(VariableElement p : targetMethod.getParameters()) {
 					if(p.asType().getKind().isPrimitive())
 						b.addStatement("bd.addParameter($T.class)", p.asType());
-					else b.addStatement("bd.addParameter($S)", p.asType().toString());
+					else b.addStatement("bd.addParameter($S, %L)", getInnermostComponentType(p.asType()), getArrayLevel(p.asType()));
 				}
 
 				if(targetMethod.getReturnType().getKind().isPrimitive())
 					b.addStatement("bd.setReturnType($T.class)", targetMethod.getReturnType());
-				else b.addStatement("bd.setReturnType($S)", targetMethod.getReturnType().toString());
+				else b.addStatement("bd.setReturnType($S, %L)", getInnermostComponentType(targetMethod.getReturnType()), getArrayLevel(targetMethod.getReturnType()));
 
 				b.addStatement("return bd.build()");
 
@@ -366,7 +366,7 @@ public class LilleroProcessor extends AbstractProcessor {
 
 				if(targetField.asType().getKind().isPrimitive())
 					b.addStatement("bd.setType($T.class)", targetField.asType());
-				else b.addStatement("bd.setType($S)", targetField.asType().toString());
+				else b.addStatement("bd.setType($S, %L)", getInnermostComponentType(targetField.asType()), getArrayLevel(targetField.asType()));
 
 				b.addStatement("return bd.build()");
 
diff --git a/src/main/java/ftbsc/lll/processor/tools/ASTUtils.java b/src/main/java/ftbsc/lll/processor/tools/ASTUtils.java
index ef50e52..1735b66 100644
--- a/src/main/java/ftbsc/lll/processor/tools/ASTUtils.java
+++ b/src/main/java/ftbsc/lll/processor/tools/ASTUtils.java
@@ -12,9 +12,7 @@ import ftbsc.lll.processor.tools.obfuscation.ObfuscationMapper;
 
 import javax.annotation.processing.ProcessingEnvironment;
 import javax.lang.model.element.*;
-import javax.lang.model.type.MirroredTypeException;
-import javax.lang.model.type.MirroredTypesException;
-import javax.lang.model.type.TypeMirror;
+import javax.lang.model.type.*;
 import javax.lang.model.util.Elements;
 import java.lang.annotation.Annotation;
 import java.util.ArrayList;
@@ -83,6 +81,33 @@ public class ASTUtils {
 		}
 	}
 
+	/**
+	 * Calculates the array nesting level for a {@link TypeMirror}.
+	 * @param t the type mirror to get it for
+	 * @return the array nesting level
+	 * @since 0.3.0
+	 */
+	public static int getArrayLevel(TypeMirror t) {
+		int arrayLevel = 0;
+		while(t.getKind() == TypeKind.ARRAY) {
+			t = ((ArrayType) t).getComponentType();
+			arrayLevel++;
+		}
+		return arrayLevel;
+	}
+
+	/**
+	 * Calculates the array nesting level for a {@link TypeMirror}.
+	 * @param t the type mirror to get it for
+	 * @return the array nesting level
+	 * @since 0.3.0
+	 */
+	public static TypeMirror getInnermostComponentType(TypeMirror t) {
+		while(t.getKind() == TypeKind.ARRAY)
+			t = ((ArrayType) t).getComponentType();
+		return t;
+	}
+
 	/**
 	 * Safely extracts a {@link Class} from an annotation and gets its fully qualified name.
 	 * @param ann the annotation containing the class