diff --git a/processor/src/main/java/org/mapstruct/ap/model/PropertyMapping.java b/processor/src/main/java/org/mapstruct/ap/model/PropertyMapping.java
index 7646e6146..74151ee11 100644
--- a/processor/src/main/java/org/mapstruct/ap/model/PropertyMapping.java
+++ b/processor/src/main/java/org/mapstruct/ap/model/PropertyMapping.java
@@ -170,7 +170,13 @@ public class PropertyMapping extends ModelElement {
                 }
                 else if ( targetType.isArrayType() && sourceType.isArrayType() && assignment.getType() == DIRECT ) {
                     Type arrayType = ctx.getTypeFactory().getType( Arrays.class );
-                    assignment = new ArrayCopyWrapper( assignment, targetPropertyName, arrayType, targetType );
+                    assignment = new ArrayCopyWrapper(
+                        assignment,
+                        targetPropertyName,
+                        arrayType,
+                        targetType,
+                        existingVariableNames
+                    );
                     assignment = new NullCheckWrapper( assignment );
                 }
                 else {
diff --git a/processor/src/main/java/org/mapstruct/ap/model/assignment/ArrayCopyWrapper.java b/processor/src/main/java/org/mapstruct/ap/model/assignment/ArrayCopyWrapper.java
index ab9d70746..7f6f790f1 100644
--- a/processor/src/main/java/org/mapstruct/ap/model/assignment/ArrayCopyWrapper.java
+++ b/processor/src/main/java/org/mapstruct/ap/model/assignment/ArrayCopyWrapper.java
@@ -18,11 +18,13 @@
  */
 package org.mapstruct.ap.model.assignment;
 
+import java.util.Collection;
 import java.util.Collections;
 import java.util.HashSet;
 import java.util.Set;
 
 import org.mapstruct.ap.model.common.Type;
+import org.mapstruct.ap.util.Strings;
 import static org.mapstruct.ap.util.Strings.decapitalize;
 import static org.mapstruct.ap.util.Strings.getSaveVariableName;
 
@@ -38,9 +40,9 @@ public class ArrayCopyWrapper extends AssignmentWrapper {
     private final Type targetType;
 
     public ArrayCopyWrapper(Assignment decoratedAssignment, String targetPropertyName, Type arraysType,
-            Type targetType) {
+            Type targetType, Collection<String> existingVariableNames ) {
         super( decoratedAssignment );
-        this.targetPropertyName = targetPropertyName;
+        this.targetPropertyName = Strings.getSaveVariableName( targetPropertyName, existingVariableNames );
         this.arraysType = arraysType;
         this.targetType = targetType;
     }