diff --git a/graphics/common/aidl/android/hardware/graphics/common/BufferUsage.aidl b/graphics/common/aidl/android/hardware/graphics/common/BufferUsage.aidl
index 5f9888a..d978f46 100644
--- a/graphics/common/aidl/android/hardware/graphics/common/BufferUsage.aidl
+++ b/graphics/common/aidl/android/hardware/graphics/common/BufferUsage.aidl
@@ -110,5 +110,5 @@
 
     /** bits 32-47 must be zero and are reserved for future versions */
     /** bits 48-63 are reserved for vendor extensions */
-    VENDOR_MASK_HI                     = 0xffff << 48,
+    VENDOR_MASK_HI                     = (1L * 0xffff) << 48,
 }