diff --git a/Linphone/model/call/CallModel.cpp b/Linphone/model/call/CallModel.cpp
index 48f226626..6942661f9 100644
--- a/Linphone/model/call/CallModel.cpp
+++ b/Linphone/model/call/CallModel.cpp
@@ -56,7 +56,7 @@ void CallModel::accept(bool withVideo) {
 	params->setRecordFile(
 	    Paths::getCapturesDirPath()
 	        .append(Utils::generateSavedFilename(QString::fromStdString(mMonitor->getToAddress()->getUsername()), ""))
-	        .append(".smff")
+	        .append(".mkv")
 	        .toStdString());
 	// Answer with local call address.
 	auto localAddress = mMonitor->getCallLog()->getLocalAddress();
diff --git a/Linphone/model/tool/ToolModel.cpp b/Linphone/model/tool/ToolModel.cpp
index 94c2a9bfd..177e3892b 100644
--- a/Linphone/model/tool/ToolModel.cpp
+++ b/Linphone/model/tool/ToolModel.cpp
@@ -214,7 +214,7 @@ bool ToolModel::createCall(const QString &sipAddress,
 		params->setRecordFile(
 		    Paths::getCapturesDirPath()
 		        .append(Utils::generateSavedFilename(QString::fromStdString(address->getUsername()), ""))
-		        .append(".smff")
+		        .append(".mkv")
 		        .toStdString());
 	}