diff --git a/processor/src/main/java/org/mapstruct/ap/processor/MapperCreationProcessor.java b/processor/src/main/java/org/mapstruct/ap/processor/MapperCreationProcessor.java
index edd0581b1..7056bfb8e 100644
--- a/processor/src/main/java/org/mapstruct/ap/processor/MapperCreationProcessor.java
+++ b/processor/src/main/java/org/mapstruct/ap/processor/MapperCreationProcessor.java
@@ -416,12 +416,12 @@ public class MapperCreationProcessor implements ModelElementProcessor<List<Sourc
                 // check constants first
                 if ( !mapping.getConstant().isEmpty() ) {
                     return getConstantMapping(
-                            mapperReferences,
-                            methods,
-                            method,
-                            "\"" + mapping.getConstant() + "\"",
-                            targetAccessor,
-                            dateFormat
+                        mapperReferences,
+                        methods,
+                        method,
+                        "\"" + mapping.getConstant() + "\"",
+                        targetAccessor,
+                        dateFormat
                     );
                 }
 
@@ -681,7 +681,7 @@ public class MapperCreationProcessor implements ModelElementProcessor<List<Sourc
 
                 }
                 else if ( mappedProperty.getConstant().isEmpty() &&
-                          mappedProperty.getJavaExpression().isEmpty()  &&
+                    mappedProperty.getJavaExpression().isEmpty() &&
                     !hasSourceProperty( method, mappedProperty.getSourcePropertyName() ) ) {
                     messager.printMessage(
                         Kind.ERROR,
@@ -809,8 +809,8 @@ public class MapperCreationProcessor implements ModelElementProcessor<List<Sourc
                     assignment = new SetterWrapper( assignment, method.getThrownTypes() );
                     if ( !sourceType.isPrimitive() &&
                         ( assignment.getType() == TYPE_CONVERTED ||
-                          assignment.getType() == TYPE_CONVERTED_MAPPED ||
-                          assignment.getType() == DIRECT && targetType.isPrimitive() ) ) {
+                            assignment.getType() == TYPE_CONVERTED_MAPPED ||
+                            assignment.getType() == DIRECT && targetType.isPrimitive() ) ) {
                         // for primitive types null check is not possible at all, but a conversion needs
                         // a null check.
                         assignment = new NullCheckWrapper( assignment );
@@ -820,7 +820,7 @@ public class MapperCreationProcessor implements ModelElementProcessor<List<Sourc
                     // TargetAccessorType must be ADDER
                     if ( sourceIsCollection ) {
                         assignment =
-                                new AdderWrapper( assignment, method.getThrownTypes(), sourceReference, sourceType );
+                            new AdderWrapper( assignment, method.getThrownTypes(), sourceReference, sourceType );
                     }
                     else {
                         // Possibly adding null to a target collection. So should be surrounded by an null check.
@@ -912,7 +912,7 @@ public class MapperCreationProcessor implements ModelElementProcessor<List<Sourc
                                                      String javaExpression,
                                                      ExecutableElement targetAcessor) {
 
-        Type  targetType = typeFactory.getSingleParameter( targetAcessor ).getType();
+        Type targetType = typeFactory.getSingleParameter( targetAcessor ).getType();
         Assignment assignment = AssignmentFactory.createSimple( javaExpression );
         assignment = new SetterWrapper( assignment, method.getThrownTypes() );
         return new PropertyMapping( targetAcessor.getSimpleName().toString(), targetType, assignment );
diff --git a/processor/src/test/java/org/mapstruct/ap/test/collection/adder/AdderTest.java b/processor/src/test/java/org/mapstruct/ap/test/collection/adder/AdderTest.java
index 133fde118..bf0569361 100644
--- a/processor/src/test/java/org/mapstruct/ap/test/collection/adder/AdderTest.java
+++ b/processor/src/test/java/org/mapstruct/ap/test/collection/adder/AdderTest.java
@@ -23,6 +23,7 @@ import java.util.Arrays;
 
 import org.junit.Test;
 import org.junit.runner.RunWith;
+import org.mapstruct.ap.test.collection.adder.source.SingleElementSource;
 import org.mapstruct.ap.test.collection.adder.source.Source;
 import org.mapstruct.ap.test.collection.adder.source.SourceTeeth;
 import org.mapstruct.ap.test.collection.adder.target.AdderUsageObserver;
@@ -35,14 +36,13 @@ import org.mapstruct.ap.test.collection.adder.target.TargetHuman;
 import org.mapstruct.ap.test.collection.adder.target.TargetOnlyGetter;
 import org.mapstruct.ap.test.collection.adder.target.TargetViaTargetType;
 import org.mapstruct.ap.test.collection.adder.target.TargetWithoutSetter;
+import org.mapstruct.ap.testutil.IssueKey;
 import org.mapstruct.ap.testutil.WithClasses;
 import org.mapstruct.ap.testutil.runner.AnnotationProcessorTestRunner;
 
 import static org.fest.assertions.Assertions.assertThat;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
-import org.mapstruct.ap.test.collection.adder.source.SingleElementSource;
-import org.mapstruct.ap.testutil.IssueKey;
 
 /**
  * @author Sjaak Derksen
@@ -227,7 +227,7 @@ public class AdderTest {
 
     @IssueKey("242")
     @Test
-    public void testSingleElemtSource() throws DogException {
+    public void testSingleElementSource() throws DogException {
         AdderUsageObserver.setUsed( false );
 
         SingleElementSource source = new SingleElementSource();
@@ -239,5 +239,4 @@ public class AdderTest {
         assertThat( target.getPets().get( 0 ) ).isEqualTo( 2L );
         assertTrue( AdderUsageObserver.isUsed() );
     }
-
 }
diff --git a/processor/src/test/java/org/mapstruct/ap/test/collection/adder/source/SingleElementSource.java b/processor/src/test/java/org/mapstruct/ap/test/collection/adder/source/SingleElementSource.java
index 668c64261..71674d627 100644
--- a/processor/src/test/java/org/mapstruct/ap/test/collection/adder/source/SingleElementSource.java
+++ b/processor/src/test/java/org/mapstruct/ap/test/collection/adder/source/SingleElementSource.java
@@ -30,7 +30,7 @@ public class SingleElementSource {
         return pet;
     }
 
-    public void setPet( String pet ) {
+    public void setPet(String pet) {
         this.pet = pet;
     }
 }