diff --git a/gralloc/gralloc_priv.h b/gralloc/gralloc_priv.h
index 662675e..5bb3139 100644
--- a/gralloc/gralloc_priv.h
+++ b/gralloc/gralloc_priv.h
@@ -30,6 +30,7 @@
 #define DISABLE_UBWC_PROP                    GRALLOC_PROP("disable_ubwc")
 #define ENABLE_FB_UBWC_PROP                  GRALLOC_PROP("enable_fb_ubwc")
 #define MAP_FB_MEMORY_PROP                   GRALLOC_PROP("map_fb_memory")
+#define USE_SYSTEM_HEAP_FOR_SENSORS          GRALLOC_PROP("use_system_heap_for_sensors")
 
 #define ROUND_UP_PAGESIZE(x) roundUpToPageSize(x)
 inline int roundUpToPageSize(int x) {