diff --git a/include/GL/internal/glcore.h b/include/GL/internal/glcore.h
index fc0aaf3d5e8..d62f31bb290 100644
--- a/include/GL/internal/glcore.h
+++ b/include/GL/internal/glcore.h
@@ -36,7 +36,9 @@
 **
 */
 
+#if !defined(_WIN32_WCE)
 #include <sys/types.h>
+#endif
 
 #define GL_CORE_SGI  1
 #define GL_CORE_MESA 2