diff --git a/interface/src/avatar/Head.cpp b/interface/src/avatar/Head.cpp
index 31f08d9eae..3b6922d0d1 100644
--- a/interface/src/avatar/Head.cpp
+++ b/interface/src/avatar/Head.cpp
@@ -35,6 +35,9 @@ Head::Head(Avatar* owningAvatar) :
     _longTermAverageLoudness(-1.0f),
     _audioAttack(0.0f),
     _audioJawOpen(0.0f),
+    _mouth2(0.0f),
+    _mouth3(0.0f),
+    _mouth4(0.0f),
     _angularVelocity(0,0,0),
     _renderLookatVectors(false),
     _saccade(0.0f, 0.0f, 0.0f),