diff --git a/devices/hackrf/devicehackrfshared.h b/devices/hackrf/devicehackrfshared.h
index 249c30852..6c392b3c2 100644
--- a/devices/hackrf/devicehackrfshared.h
+++ b/devices/hackrf/devicehackrfshared.h
@@ -23,7 +23,7 @@
 class DEVICES_API DeviceHackRFShared
 {
 public:
-    class MsgConfigureFrequencyDelta : public Message
+    class DEVICES_API MsgConfigureFrequencyDelta : public Message
     {
         MESSAGE_CLASS_DECLARATION
 
diff --git a/plugins/samplesource/hackrfinput/hackrfinput.pro b/plugins/samplesource/hackrfinput/hackrfinput.pro
index ea5511dc7..573d81165 100644
--- a/plugins/samplesource/hackrfinput/hackrfinput.pro
+++ b/plugins/samplesource/hackrfinput/hackrfinput.pro
@@ -19,6 +19,8 @@ QMAKE_CXXFLAGS += -std=c++11
 
 CONFIG(MINGW32):LIBHACKRFSRC = "C:\softs\hackrf\host"
 CONFIG(MINGW64):LIBHACKRFSRC = "C:\softs\hackrf\host"
+CONFIG(MSVC):LIBHACKRFSRC = "C:\softs\hackrf\host"
+
 INCLUDEPATH += $$PWD
 INCLUDEPATH += ../../../exports
 INCLUDEPATH += ../../../sdrbase
diff --git a/plugins/samplesource/hackrfinput/hackrfinputthread.cpp b/plugins/samplesource/hackrfinput/hackrfinputthread.cpp
index c0a9dfc57..af3baa502 100644
--- a/plugins/samplesource/hackrfinput/hackrfinputthread.cpp
+++ b/plugins/samplesource/hackrfinput/hackrfinputthread.cpp
@@ -18,7 +18,6 @@
 
 #include <stdio.h>
 #include <errno.h>
-#include <unistd.h>
 #include <algorithm>
 
 #include "dsp/samplesinkfifo.h"