diff --git a/samples/webrtc/C# Sample/WebRTC.cpp b/samples/webrtc/C# Sample/WebRTC.cpp
index 3ee6d37d..0f0b2941 100644
--- a/samples/webrtc/C# Sample/WebRTC.cpp	
+++ b/samples/webrtc/C# Sample/WebRTC.cpp	
@@ -21,8 +21,10 @@ limitations under the License.
 #include "stdafx.h"
 #include "WebRTC.h"
 
+#ifdef WIN32
 #include <WinSock2.h>
 #include <WS2tcpip.h>
+#endif
 
 #if defined(WIN32)
 #define _CRTDBG_MAP_ALLOC
@@ -469,4 +471,4 @@ extern "C"
 		return(ILibSCTP_Debug_SetDebugCallback(((void**)connection)[0], debugField, handler));
 	}
 #endif
-}
\ No newline at end of file
+}