diff --git a/native/jni/Android.mk b/native/jni/Android.mk
index d40063e..a7486ae 100644
--- a/native/jni/Android.mk
+++ b/native/jni/Android.mk
@@ -68,10 +68,12 @@
 LOCAL_MODULE := libjni_latinime_common_static
 LOCAL_MODULE_TAGS := optional
 
-ifdef HISTORICAL_NDK_VERSIONS_ROOT # In the platform build system
+ifdef ANDROID_BUILD_TOP # In the platform build system
 include external/stlport/libstlport.mk
-else # In the NDK build system
-LOCAL_C_INCLUDES += external/stlport/stlport bionic
+else # In the unbundled build system
+LOCAL_NDK_VERSION := 7
+LOCAL_SDK_VERSION := 14
+LOCAL_NDK_STL_VARIANT := stlport_static
 endif
 
 include $(BUILD_STATIC_LIBRARY)
@@ -81,12 +83,6 @@
 # All code in LOCAL_WHOLE_STATIC_LIBRARIES will be built into this shared library.
 LOCAL_WHOLE_STATIC_LIBRARIES := libjni_latinime_common_static
 
-ifdef HISTORICAL_NDK_VERSIONS_ROOT # In the platform build system
-LOCAL_SHARED_LIBRARIES := libstlport
-else # In the NDK build system
-LOCAL_SHARED_LIBRARIES := libstlport_static
-endif
-
 ifeq ($(FLAG_DO_PROFILE), true)
     $(warning Making profiling version of native library)
     LOCAL_SHARED_LIBRARIES += libcutils libutils
@@ -100,8 +96,12 @@
 LOCAL_MODULE := libjni_latinime
 LOCAL_MODULE_TAGS := optional
 
-ifdef HISTORICAL_NDK_VERSIONS_ROOT # In the platform build system
-include external/stlport/libstlport.mk
+ifdef ANDROID_BUILD_TOP # In the platform build system
+LOCAL_STATIC_LIBRARIES += libstlport_static
+else # In the unbundled build system
+LOCAL_NDK_VERSION := 7
+LOCAL_SDK_VERSION := 14
+LOCAL_NDK_STL_VARIANT := stlport_static
 endif
 
 include $(BUILD_SHARED_LIBRARY)