diff --git a/zsnes/src/makefile.ms b/zsnes/src/makefile.ms
index f01a18f3..4b30f4fb 100644
--- a/zsnes/src/makefile.ms
+++ b/zsnes/src/makefile.ms
@@ -56,6 +56,11 @@ ifeq ($(PLATFORM),dos)
   OS=__MSDOS__
 endif
 
+ifeq ($(PLATFORM),win32-unix-shell)
+  PLATFORM=win32
+  CROSS=yes
+endif 
+
 ifeq ($(PLATFORM),win32)
   CC = gcc
   CPPC = g++