diff --git a/media/libmedia/IOMX.cpp b/media/libmedia/IOMX.cpp
index fbe3f71..af29a44 100644
--- a/media/libmedia/IOMX.cpp
+++ b/media/libmedia/IOMX.cpp
@@ -592,7 +592,7 @@
 ////////////////////////////////////////////////////////////////////////////////
 
 #define CHECK_OMX_INTERFACE(interface, data, reply) \
-        do { if (!data.enforceInterface(interface::getInterfaceDescriptor())) { \
+        do { if (!(data).enforceInterface(interface::getInterfaceDescriptor())) { \
             ALOGW("Call incorrectly routed to " #interface); \
             return PERMISSION_DENIED; \
         } } while (0)