diff --git a/libwvdrmengine/level3/mips/Android.mk b/libwvdrmengine/level3/mips/Android.mk
index bbc69a98..f6e62a7e 100644
--- a/libwvdrmengine/level3/mips/Android.mk
+++ b/libwvdrmengine/level3/mips/Android.mk
@@ -4,6 +4,7 @@ LOCAL_CFLAGS := \
     -DDYNAMIC_ADAPTER \
     -Wno-unused
 LOCAL_C_INCLUDES := \
+    system/core/include \
     vendor/widevine/libwvdrmengine/cdm/core/include \
     vendor/widevine/libwvdrmengine/level3/include \
     vendor/widevine/libwvdrmengine/oemcrypto/include
@@ -18,4 +19,4 @@ LOCAL_PROPRIETARY_MODULE := true
 LOCAL_MODULE_TAGS := optional
 LOCAL_MODULE_OWNER := widevine
 LOCAL_MODULE_TARGET_ARCH := mips
-include $(BUILD_STATIC_LIBRARY)
\ No newline at end of file
+include $(BUILD_STATIC_LIBRARY)
diff --git a/libwvdrmengine/level3/mips64/Android.mk b/libwvdrmengine/level3/mips64/Android.mk
index 257c05c4..5e503dd8 100644
--- a/libwvdrmengine/level3/mips64/Android.mk
+++ b/libwvdrmengine/level3/mips64/Android.mk
@@ -4,6 +4,7 @@ LOCAL_CFLAGS := \
     -DDYNAMIC_ADAPTER \
     -Wno-unused
 LOCAL_C_INCLUDES := \
+    system/core/include \
     vendor/widevine/libwvdrmengine/cdm/core/include \
     vendor/widevine/libwvdrmengine/level3/include \
     vendor/widevine/libwvdrmengine/oemcrypto/include
@@ -18,4 +19,4 @@ LOCAL_PROPRIETARY_MODULE := true
 LOCAL_MODULE_TAGS := optional
 LOCAL_MODULE_OWNER := widevine
 LOCAL_MODULE_TARGET_ARCH := mips64
-include $(BUILD_STATIC_LIBRARY)
\ No newline at end of file
+include $(BUILD_STATIC_LIBRARY)
diff --git a/libwvdrmengine/level3/x86/Android.mk b/libwvdrmengine/level3/x86/Android.mk
index de8f5b03..d63a2460 100644
--- a/libwvdrmengine/level3/x86/Android.mk
+++ b/libwvdrmengine/level3/x86/Android.mk
@@ -4,6 +4,7 @@ LOCAL_CFLAGS := \
     -DDYNAMIC_ADAPTER \
     -Wno-unused
 LOCAL_C_INCLUDES := \
+    system/core/include \
     vendor/widevine/libwvdrmengine/cdm/core/include \
     vendor/widevine/libwvdrmengine/level3/include \
     vendor/widevine/libwvdrmengine/oemcrypto/include
diff --git a/libwvdrmengine/level3/x86_64/Android.mk b/libwvdrmengine/level3/x86_64/Android.mk
index b721c00e..9039763d 100644
--- a/libwvdrmengine/level3/x86_64/Android.mk
+++ b/libwvdrmengine/level3/x86_64/Android.mk
@@ -4,6 +4,7 @@ LOCAL_CFLAGS := \
     -DDYNAMIC_ADAPTER \
     -Wno-unused
 LOCAL_C_INCLUDES := \
+    system/core/include \
     vendor/widevine/libwvdrmengine/cdm/core/include \
     vendor/widevine/libwvdrmengine/level3/include \
     vendor/widevine/libwvdrmengine/oemcrypto/include