diff --git a/src/atomics_cobalt.c b/src/atomics_cobalt.c
index aa597fd..543a366 100644
--- a/src/atomics_cobalt.c
+++ b/src/atomics_cobalt.c
@@ -27,6 +27,9 @@
 #include <stdlib.h> // malloc, free
 
 #ifdef HAVE_LIBUSB
+#ifdef _WIN32
+#define NOGDI
+#endif
 #include <libusb-1.0/libusb.h>
 #endif
 
diff --git a/src/context.c b/src/context.c
index 0163a3c..344e4ee 100644
--- a/src/context.c
+++ b/src/context.c
@@ -25,6 +25,7 @@
 #include <string.h>
 
 #ifdef _WIN32
+#define NOGDI
 #include <windows.h>
 #endif
 
diff --git a/src/irda.c b/src/irda.c
index 476fa7e..4556256 100644
--- a/src/irda.c
+++ b/src/irda.c
@@ -22,6 +22,7 @@
 #include <stdlib.h> // malloc, free
 #include <stdio.h>	// snprintf
 #ifdef _WIN32
+	#define NOGDI
 	#include <winsock2.h>
 	#include <windows.h>
 	#include <af_irda.h>
diff --git a/src/serial_win32.c b/src/serial_win32.c
index 4879c2d..fa4d00a 100644
--- a/src/serial_win32.c
+++ b/src/serial_win32.c
@@ -20,6 +20,8 @@
  */
 
 #include <stdlib.h>
+
+#define NOGDI
 #include <windows.h>
 
 #include "serial.h"