diff --git a/samples/android/tutorial-4-mixed/jni/Android.mk b/samples/android/tutorial-4-mixed/jni/Android.mk
index a20c24693..bd06352e1 100644
--- a/samples/android/tutorial-4-mixed/jni/Android.mk
+++ b/samples/android/tutorial-4-mixed/jni/Android.mk
@@ -3,6 +3,8 @@ LOCAL_PATH := $(call my-dir)
 include $(CLEAR_VARS)
 
 OPENCV_CAMERA_MODULES:=off
+OPENCV_INSTALL_MODULES:=on
+#OPENCV_LIB_TYPE:=SHARED <- this is default
 
 include ../includeOpenCV.mk
 ifeq ("$(wildcard $(OPENCV_MK_PATH))","")