diff --git a/plugins/samplemimo/bladerf2mimo/bladerf2mimo.cpp b/plugins/samplemimo/bladerf2mimo/bladerf2mimo.cpp
index 3e335da0d..9137822a6 100644
--- a/plugins/samplemimo/bladerf2mimo/bladerf2mimo.cpp
+++ b/plugins/samplemimo/bladerf2mimo/bladerf2mimo.cpp
@@ -376,7 +376,7 @@ bool BladeRF2MIMO::handleMessage(const Message& message)
             if (m_settings.m_fileRecordName.size() != 0) {
                 m_fileSinks[istream]->setFileName(m_settings.m_fileRecordName + "_0.sdriq");
             } else {
-                m_fileSinks[istream]->genUniqueFileName(m_deviceAPI->getDeviceUID(), istream);
+                m_fileSinks[istream]->setFileName(FileRecordInterface::genUniqueFileName(m_deviceAPI->getDeviceUID(), istream));
             }
 
             m_fileSinks[istream]->startRecording();
diff --git a/plugins/samplemimo/testmi/testmi.cpp b/plugins/samplemimo/testmi/testmi.cpp
index d47fb6167..bc518dcff 100644
--- a/plugins/samplemimo/testmi/testmi.cpp
+++ b/plugins/samplemimo/testmi/testmi.cpp
@@ -240,7 +240,7 @@ bool TestMI::handleMessage(const Message& message)
             if (m_settings.m_fileRecordName.size() != 0) {
                 m_fileSinks[istream]->setFileName(m_settings.m_fileRecordName + "_0.sdriq");
             } else {
-                m_fileSinks[istream]->genUniqueFileName(m_deviceAPI->getDeviceUID(), istream);
+                m_fileSinks[istream]->setFileName(FileRecordInterface::genUniqueFileName(m_deviceAPI->getDeviceUID(), istream));
             }
 
             m_fileSinks[istream]->startRecording();