diff --git a/linphone-app/src/utils/MediastreamerUtils.cpp b/linphone-app/src/utils/MediastreamerUtils.cpp
index 7fb4d0c52..f4f38ffbd 100644
--- a/linphone-app/src/utils/MediastreamerUtils.cpp
+++ b/linphone-app/src/utils/MediastreamerUtils.cpp
@@ -25,6 +25,8 @@
 #include "components/core/CoreManager.hpp"
 #include "MediastreamerUtils.hpp"
 
+#include <qlogging.h>
+
 using namespace MediastreamerUtils;
 
 SimpleCaptureGraph::SimpleCaptureGraph(const std::string &capture, const std::string &playback)
@@ -35,10 +37,10 @@ SimpleCaptureGraph::SimpleCaptureGraph(const std::string &capture, const std::st
 
 	playbackCard = ms_snd_card_manager_get_card(ms_factory_get_snd_card_manager(msFactory), playbackCardId.c_str());
 	if (!playbackCard)
-                qWarning("Cannot get playback card from MSFactory with : " +QString::fromStdString(playbackCardId));
+				qWarning("Cannot get playback card from MSFactory with : %s", playbackCardId.c_str());
 	captureCard = ms_snd_card_manager_get_card(ms_factory_get_snd_card_manager(msFactory), captureCardId.c_str());
 	if (!captureCard)
-                qWarning("Cannot get capture card from MSFactory with : " +QString::fromStdString(captureCardId));
+				qWarning("Cannot get capture card from MSFactory with : %s", captureCardId.c_str());
 
 	if(playbackCard && captureCard)// Assure to initialize when playback and capture are available
 		init();