diff --git a/library/ssl_tls.c b/library/ssl_tls.c
index c86e774..b8bc188 100644
--- a/library/ssl_tls.c
+++ b/library/ssl_tls.c
@@ -47,7 +47,8 @@
 
 #include <stdlib.h>
 
-#if defined(_MSC_VER) && !defined strcasecmp
+#if defined(_MSC_VER) && !defined strcasecmp && !defined(EFIX64) && \
+    !defined(EFI32)
 #define strcasecmp _stricmp
 #endif