diff --git a/Make.defs b/Make.defs
index b1f5df3d1..6c4e3fd8b 100644
--- a/Make.defs
+++ b/Make.defs
@@ -60,15 +60,12 @@ endif
 
 ifeq ($(DIRLINK),)
 ifeq ($(CONFIG_WINDOWS_NATIVE),y)
-  MKKCONFIG = $(APPDIR)\tools\mkkconfig.bat
   DIRLINK   = $(TOPDIR)\tools\link.bat
   DIRUNLINK = $(TOPDIR)\tools\unlink.bat
 else ifeq ($(CONFIG_WINDOWS_MSYS),y)
-  MKKCONFIG = $(APPDIR)/tools/mkkconfig.sh
   DIRLINK = $(TOPDIR)$(DELIM)tools$(DELIM)copydir.sh
   DIRUNLINK = $(TOPDIR)$(DELIM)tools$(DELIM)unlink.sh
 else
-  MKKCONFIG = $(APPDIR)/tools/mkkconfig.sh
   DIRUNLINK = $(TOPDIR)/tools/unlink.sh
 ifeq ($(WINTOOL),y)
   DIRLINK = $(TOPDIR)/tools/copydir.sh
@@ -78,6 +75,14 @@ endif
 endif
 endif
 
+ifeq ($(CONFIG_WINDOWS_NATIVE),y)
+  MKKCONFIG = $(APPDIR)\tools\mkkconfig.bat
+else ifeq ($(CONFIG_WINDOWS_MSYS),y)
+  MKKCONFIG = $(APPDIR)/tools/mkkconfig.sh
+else
+  MKKCONFIG = $(APPDIR)/tools/mkkconfig.sh
+endif
+
 ifeq ($(WINTOOL),y)
   INCDIROPT = -w
 endif