diff --git a/AndroidAnnotations/androidannotations/src/main/java/com/googlecode/androidannotations/AndroidAnnotationProcessor.java b/AndroidAnnotations/androidannotations/src/main/java/com/googlecode/androidannotations/AndroidAnnotationProcessor.java
index f51b159ab5..70c9dc469f 100644
--- a/AndroidAnnotations/androidannotations/src/main/java/com/googlecode/androidannotations/AndroidAnnotationProcessor.java
+++ b/AndroidAnnotations/androidannotations/src/main/java/com/googlecode/androidannotations/AndroidAnnotationProcessor.java
@@ -21,10 +21,13 @@
 import java.util.Map;
 import java.util.Set;
 
+import static com.googlecode.androidannotations.rclass.ProjectRClassFinder.RESOURCE_PACKAGE_NAME_OPTION;
+
 import javax.annotation.processing.Messager;
 import javax.annotation.processing.ProcessingEnvironment;
 import javax.annotation.processing.RoundEnvironment;
 import javax.annotation.processing.SupportedSourceVersion;
+import javax.annotation.processing.SupportedOptions;
 import javax.lang.model.SourceVersion;
 import javax.lang.model.element.Element;
 import javax.lang.model.element.TypeElement;
@@ -318,6 +321,7 @@
 		OnActivityResult.class //
 })
 @SupportedSourceVersion(SourceVersion.RELEASE_6)
+@SupportedOptions({RESOURCE_PACKAGE_NAME_OPTION})
 public class AndroidAnnotationProcessor extends AnnotatedAbstractProcessor {
 
 	private final TimeStats timeStats = new TimeStats();
diff --git a/AndroidAnnotations/androidannotations/src/main/java/com/googlecode/androidannotations/rclass/ProjectRClassFinder.java b/AndroidAnnotations/androidannotations/src/main/java/com/googlecode/androidannotations/rclass/ProjectRClassFinder.java
index 63b702dd32..2737b1bb2c 100644
--- a/AndroidAnnotations/androidannotations/src/main/java/com/googlecode/androidannotations/rclass/ProjectRClassFinder.java
+++ b/AndroidAnnotations/androidannotations/src/main/java/com/googlecode/androidannotations/rclass/ProjectRClassFinder.java
@@ -25,6 +25,7 @@
 
 public class ProjectRClassFinder {
 
+    public static final String RESOURCE_PACKAGE_NAME_OPTION = "resourcePackageName";
 	private ProcessingEnvironment processingEnv;
 
 	public ProjectRClassFinder(ProcessingEnvironment processingEnv) {
@@ -34,7 +35,10 @@ public ProjectRClassFinder(ProcessingEnvironment processingEnv) {
 	public IRClass find(AndroidManifest manifest) {
 
 		Elements elementUtils = processingEnv.getElementUtils();
-		String rClass = manifest.getApplicationPackage() + ".R";
+
+        // This is the hack we need to support product flavors
+        String rClass = getRClassPackageName(manifest) + ".R";
+//		String rClass = manifest.getApplicationPackage() + ".R";
 		TypeElement rType = elementUtils.getTypeElement(rClass);
 
 		if (rType == null) {
@@ -46,4 +50,12 @@ public IRClass find(AndroidManifest manifest) {
 		return new RClass(rType);
 	}
 
+    public String getRClassPackageName(AndroidManifest manifest) {
+        if (processingEnv.getOptions().containsKey(RESOURCE_PACKAGE_NAME_OPTION)) {
+            return processingEnv.getOptions().get(RESOURCE_PACKAGE_NAME_OPTION);
+        } else {
+            return manifest.getApplicationPackage();
+        }
+    }
+
 }