diff --git a/dist/threebox.js b/dist/threebox.js
index 092bb4d3..6f6d243a 100755
--- a/dist/threebox.js
+++ b/dist/threebox.js
@@ -1764,7 +1764,7 @@ AnimationManager.prototype = {
 		obj.playAnimation = function (options) {
 			if (obj.mixer) {
 
-				if (options.animation) {
+				if (options.animation>=0) {
 					setAction(options.animation)
 				}
 				obj.playDefault(options);
diff --git a/src/animation/AnimationManager.js b/src/animation/AnimationManager.js
index 7f511337..71151ceb 100644
--- a/src/animation/AnimationManager.js
+++ b/src/animation/AnimationManager.js
@@ -292,7 +292,7 @@ AnimationManager.prototype = {
 		obj.playAnimation = function (options) {
 			if (obj.mixer) {
 
-				if (options.animation) {
+				if (options.animation>=0) {
 					setAction(options.animation)
 				}
 				obj.playDefault(options);