diff --git a/src/components/particleplayer.js b/src/components/particleplayer.js
index 49aa52a..065b8d1 100644
--- a/src/components/particleplayer.js
+++ b/src/components/particleplayer.js
@@ -308,6 +308,8 @@ AFRAME.registerComponent('particleplayer', {
       }
     }
 
+    if (found === -1) { return; }
+
     particleSystem = this.particleSystems[found];
     particleSystem.active = true;
     particleSystem.loopCount = 1;