diff --git a/init/init_msm8974.cpp b/init/init_msm8974.cpp
index 7ce2fb2..374e980 100644
--- a/init/init_msm8974.cpp
+++ b/init/init_msm8974.cpp
@@ -1,6 +1,6 @@
 /*
    Copyright (c) 2016, The CyanogenMod Project. All rights reserved.
-   Copyright (c) 2017, The LineageOS Project. All rights reserved.
+   Copyright (c) 2017-2018, The LineageOS Project. All rights reserved.
 
    Redistribution and use in source and binary forms, with or without
    modification, are permitted provided that the following conditions are
@@ -63,6 +63,13 @@ void property_override(char const prop[], char const value[])
         __system_property_add(prop, strlen(prop), value, strlen(value));
 }
 
+void property_override_dual(char const system_prop[],
+        char const vendor_prop[], char const value[])
+{
+    property_override(system_prop, value);
+    property_override(vendor_prop, value);
+}
+
 static int read_file2(const char *fname, char *data, int max_size)
 {
     int fd, rc;
diff --git a/init/init_msm8974.h b/init/init_msm8974.h
index 2c11511..b33e3cb 100644
--- a/init/init_msm8974.h
+++ b/init/init_msm8974.h
@@ -1,5 +1,6 @@
 /*
    Copyright (c) 2016, The CyanogenMod Project
+   Copyright (c) 2018, The LineageOS Project
 
    Redistribution and use in source and binary forms, with or without
    modification, are permitted provided that the following conditions are
@@ -32,5 +33,7 @@
 
 void init_target_properties();
 void property_override(char const prop[], char const value[]);
+void property_override_dual(char const system_prop[],
+        char const vendor_prop[], char const value[]);
 
 #endif /* __INIT_MSM8974__H__ */