diff --git a/src/libusbmuxd.c b/src/libusbmuxd.c
index 95e322f..c5c8f09 100644
--- a/src/libusbmuxd.c
+++ b/src/libusbmuxd.c
@@ -49,7 +49,9 @@
 #define ECONNREFUSED 107
 #endif
 
+#ifndef _MSC_VER
 #include <unistd.h>
+#endif
 #include <signal.h>
 
 #ifdef WIN32
@@ -91,6 +93,10 @@ static char* stpncpy(char *dst, const char *src, size_t len)
 }
 #endif
 
+#ifdef _MSC_VER
+#define strcasecmp _stricmp
+#endif
+
 #include <plist/plist.h>
 #define PLIST_CLIENT_VERSION_STRING PACKAGE_STRING
 #define PLIST_LIBUSBMUX_VERSION 3
@@ -1590,7 +1596,11 @@ USBMUXD_API int usbmuxd_send(int sfd, const char *data, uint32_t len, uint32_t *
 	num_sent = socket_send(sfd, (void*)data, len);
 	if (num_sent < 0) {
 		*sent_bytes = 0;
+#ifdef WIN32
+		num_sent = WSAGetLastError();
+#else
 		num_sent = errno;
+#endif
 		LIBUSBMUXD_DEBUG(1, "%s: Error %d when sending: %s\n", __func__, num_sent, strerror(num_sent));
 		return -num_sent;
 	}