diff --git a/android/Android.mk b/android/Android.mk
index 492d295..dcccd02 100644
--- a/android/Android.mk
+++ b/android/Android.mk
@@ -18,7 +18,7 @@
 # Force a clean if target API has changed and a previous build exists
 ifneq ("$(wildcard $(LOCAL_PATH)/libs/$(TARGET_ARCH_ABI)/android_api.txt)","")
   CACHED_API := $(shell cat "$(LOCAL_PATH)/libs/$(TARGET_ARCH_ABI)/android_api.txt")
-  ifneq ($(ANDROID_API),$(CACHED_API))
+  ifneq ($(APP_PLATFORM),$(CACHED_API))
     $(info [!] Previous build was targeting different API level - cleaning)
     DUMMY_CLEAN := $(shell make clean)
   endif
@@ -184,7 +184,7 @@
 # required.
 all:POST_BUILD_EVENT
 POST_BUILD_EVENT:
-	@echo $(ANDROID_API) > $(LOCAL_PATH)/libs/$(TARGET_ARCH_ABI)/android_api.txt
+	@echo $(APP_PLATFORM) > $(LOCAL_PATH)/libs/$(TARGET_ARCH_ABI)/android_api.txt
 	@echo $(NDK_TOOLCHAIN) > $(LOCAL_PATH)/libs/$(TARGET_ARCH_ABI)/ndk_toolchain.txt
 	@test -f $(LOCAL_PATH)/obj/local/$(TARGET_ARCH_ABI)/libhfuzz.a && \
 	  cp $(LOCAL_PATH)/obj/local/$(TARGET_ARCH_ABI)/libhfuzz.a \