diff --git a/plugins/samplesink/filesink/filesink.pro b/plugins/samplesink/filesink/filesink.pro
index 5239b40d1..f21bd9c65 100644
--- a/plugins/samplesink/filesink/filesink.pro
+++ b/plugins/samplesink/filesink/filesink.pro
@@ -10,6 +10,12 @@ CONFIG += plugin
 QT += core gui widgets multimedia opengl
 
 TARGET = outputfilesink
+
+DEFINES += USE_SSE2=1
+QMAKE_CXXFLAGS += -msse2
+DEFINES += USE_SSE4_1=1
+QMAKE_CXXFLAGS += -msse4.1
+
 INCLUDEPATH += $$PWD
 INCLUDEPATH += ../../../sdrbase