diff --git a/plugins/VOIP/gui/VOIPChatWidgetHolder.cpp b/plugins/VOIP/gui/VOIPChatWidgetHolder.cpp
index 6a8a5a983..8bdd31a65 100644
--- a/plugins/VOIP/gui/VOIPChatWidgetHolder.cpp
+++ b/plugins/VOIP/gui/VOIPChatWidgetHolder.cpp
@@ -371,7 +371,7 @@ void VOIPChatWidgetHolder::addAudioData(const RsPeerId &peer_id, QByteArray* arr
             ) {
             QGraphicsOpacityEffect *effect = new QGraphicsOpacityEffect(audioListenToggleButton);
             audioCaptureToggleButton->setGraphicsEffect(effect);
-            QPropertyAnimation *anim = new QPropertyAnimation(effect, "opacity");
+            QPropertyAnimation *anim = new QPropertyAnimation(effect, "opacity", effect);
             anim->setStartValue(1);
             anim->setKeyValueAt(0.5,0);
             anim->setEndValue(1);