diff --git a/media/libeffects/testlibs/EffectEqualizer.cpp b/media/libeffects/testlibs/EffectEqualizer.cpp
index c2ffce5..b22ebec 100644
--- a/media/libeffects/testlibs/EffectEqualizer.cpp
+++ b/media/libeffects/testlibs/EffectEqualizer.cpp
@@ -736,7 +736,8 @@
 const struct effect_interface_s gEqualizerInterface = {
         Equalizer_process,
         Equalizer_command,
-        Equalizer_getDescriptor
+        Equalizer_getDescriptor,
+        NULL
 };
 
 
diff --git a/media/libeffects/testlibs/EffectReverb.c b/media/libeffects/testlibs/EffectReverb.c
index 02762c9..405f908 100644
--- a/media/libeffects/testlibs/EffectReverb.c
+++ b/media/libeffects/testlibs/EffectReverb.c
@@ -27,7 +27,8 @@
 const struct effect_interface_s gReverbInterface = {
         Reverb_Process,
         Reverb_Command,
-        Reverb_GetDescriptor
+        Reverb_GetDescriptor,
+        NULL
 };
 
 // Google auxiliary environmental reverb UUID: 1f0ae2e0-4ef7-11df-bc09-0002a5d5c51b