diff --git a/configs/ez80f910200kitg/ostest/Make.defs b/configs/ez80f910200kitg/ostest/Make.defs
index c8c776c750f..7e5b802603f 100644
--- a/configs/ez80f910200kitg/ostest/Make.defs
+++ b/configs/ez80f910200kitg/ostest/Make.defs
@@ -48,6 +48,7 @@ ZDSZILOGLIBDIR		:= $(ZDSINSTALLDIR)/lib/zilog
 # These are the same directories but with the directory separator
 # character swapped as needed by the ZDS-II compiler
 
+WINTOOL			:= y
 WTOPDIR 		:= ${shell cygpath -w $(TOPDIR)}
 WZDSSTDINCDIR		:= ${shell cygpath -w $(ZDSSTDINCDIR)}
 WZDSZILOGINCDIR 	:= ${shell cygpath -w $(ZDSZILOGINCDIR)}
diff --git a/configs/ez80f910200zco/dhcpd/Make.defs b/configs/ez80f910200zco/dhcpd/Make.defs
index abaa11feb5a..06b08c2e4f5 100644
--- a/configs/ez80f910200zco/dhcpd/Make.defs
+++ b/configs/ez80f910200zco/dhcpd/Make.defs
@@ -48,6 +48,7 @@ ZDSZILOGLIBDIR		:= $(ZDSINSTALLDIR)/lib/zilog
 # These are the same directories but with the directory separator
 # character swapped as needed by the ZDS-II compiler
 
+WINTOOL			:= y
 WTOPDIR 		:= ${shell cygpath -w $(TOPDIR)}
 WZDSSTDINCDIR		:= ${shell cygpath -w $(ZDSSTDINCDIR)}
 WZDSZILOGINCDIR 	:= ${shell cygpath -w $(ZDSZILOGINCDIR)}
diff --git a/configs/ez80f910200zco/httpd/Make.defs b/configs/ez80f910200zco/httpd/Make.defs
index 8889c9b97e8..08979608a70 100644
--- a/configs/ez80f910200zco/httpd/Make.defs
+++ b/configs/ez80f910200zco/httpd/Make.defs
@@ -48,6 +48,7 @@ ZDSZILOGLIBDIR		:= $(ZDSINSTALLDIR)/lib/zilog
 # These are the same directories but with the directory separator
 # character swapped as needed by the ZDS-II compiler
 
+WINTOOL			:= y
 WTOPDIR 		:= ${shell cygpath -w $(TOPDIR)}
 WZDSSTDINCDIR		:= ${shell cygpath -w $(ZDSSTDINCDIR)}
 WZDSZILOGINCDIR 	:= ${shell cygpath -w $(ZDSZILOGINCDIR)}
diff --git a/configs/ez80f910200zco/nettest/Make.defs b/configs/ez80f910200zco/nettest/Make.defs
index 17c15cc137c..5111f8f05c3 100644
--- a/configs/ez80f910200zco/nettest/Make.defs
+++ b/configs/ez80f910200zco/nettest/Make.defs
@@ -48,6 +48,7 @@ ZDSZILOGLIBDIR		:= $(ZDSINSTALLDIR)/lib/zilog
 # These are the same directories but with the directory separator
 # character swapped as needed by the ZDS-II compiler
 
+WINTOOL			:= y
 WTOPDIR 		:= ${shell cygpath -w $(TOPDIR)}
 WZDSSTDINCDIR		:= ${shell cygpath -w $(ZDSSTDINCDIR)}
 WZDSZILOGINCDIR 	:= ${shell cygpath -w $(ZDSZILOGINCDIR)}
diff --git a/configs/ez80f910200zco/nsh/Make.defs b/configs/ez80f910200zco/nsh/Make.defs
index b4f73185326..1d935f78111 100644
--- a/configs/ez80f910200zco/nsh/Make.defs
+++ b/configs/ez80f910200zco/nsh/Make.defs
@@ -48,6 +48,7 @@ ZDSZILOGLIBDIR		:= $(ZDSINSTALLDIR)/lib/zilog
 # These are the same directories but with the directory separator
 # character swapped as needed by the ZDS-II compiler
 
+WINTOOL			:= y
 WTOPDIR 		:= ${shell cygpath -w $(TOPDIR)}
 WZDSSTDINCDIR		:= ${shell cygpath -w $(ZDSSTDINCDIR)}
 WZDSZILOGINCDIR 	:= ${shell cygpath -w $(ZDSZILOGINCDIR)}
diff --git a/configs/ez80f910200zco/ostest/Make.defs b/configs/ez80f910200zco/ostest/Make.defs
index 92af420618c..5fcc43c4b11 100644
--- a/configs/ez80f910200zco/ostest/Make.defs
+++ b/configs/ez80f910200zco/ostest/Make.defs
@@ -48,6 +48,7 @@ ZDSZILOGLIBDIR		:= $(ZDSINSTALLDIR)/lib/zilog
 # These are the same directories but with the directory separator
 # character swapped as needed by the ZDS-II compiler
 
+WINTOOL			:= y
 WTOPDIR 		:= ${shell cygpath -w $(TOPDIR)}
 WZDSSTDINCDIR		:= ${shell cygpath -w $(ZDSSTDINCDIR)}
 WZDSZILOGINCDIR 	:= ${shell cygpath -w $(ZDSZILOGINCDIR)}
diff --git a/configs/ez80f910200zco/poll/Make.defs b/configs/ez80f910200zco/poll/Make.defs
index a1558e8e2e0..ca7de28ca8c 100644
--- a/configs/ez80f910200zco/poll/Make.defs
+++ b/configs/ez80f910200zco/poll/Make.defs
@@ -48,6 +48,7 @@ ZDSZILOGLIBDIR		:= $(ZDSINSTALLDIR)/lib/zilog
 # These are the same directories but with the directory separator
 # character swapped as needed by the ZDS-II compiler
 
+WINTOOL			:= y
 WTOPDIR 		:= ${shell cygpath -w $(TOPDIR)}
 WZDSSTDINCDIR		:= ${shell cygpath -w $(ZDSSTDINCDIR)}
 WZDSZILOGINCDIR 	:= ${shell cygpath -w $(ZDSZILOGINCDIR)}
diff --git a/configs/z16f2800100zcog/ostest/Make.defs b/configs/z16f2800100zcog/ostest/Make.defs
index 1eafbdf9e62..9b7ac4179e4 100644
--- a/configs/z16f2800100zcog/ostest/Make.defs
+++ b/configs/z16f2800100zcog/ostest/Make.defs
@@ -48,6 +48,7 @@ ZDSZILOGLIBDIR		:= $(ZDSINSTALLDIR)/lib/zilog
 # These are the same directories but with the directory separator
 # character swapped as needed by the ZNeo-II compiler
 
+WINTOOL			:= y
 WTOPDIR 		:= ${shell cygpath -w $(TOPDIR)}
 WZDSSTDINCDIR		:= ${shell cygpath -w $(ZDSSTDINCDIR)}
 WZDSZILOGINCDIR 	:= ${shell cygpath -w $(ZDSZILOGINCDIR)}
diff --git a/configs/z16f2800100zcog/pashello/Make.defs b/configs/z16f2800100zcog/pashello/Make.defs
index 6f725da11ba..36c4f577256 100755
--- a/configs/z16f2800100zcog/pashello/Make.defs
+++ b/configs/z16f2800100zcog/pashello/Make.defs
@@ -48,6 +48,7 @@ ZDSZILOGLIBDIR		:= $(ZDSINSTALLDIR)/lib/zilog
 # These are the same directories but with the directory separator
 # character swapped as needed by the ZNeo-II compiler
 
+WINTOOL			:= y
 WTOPDIR 		:= ${shell cygpath -w $(TOPDIR)}
 WZDSSTDINCDIR		:= ${shell cygpath -w $(ZDSSTDINCDIR)}
 WZDSZILOGINCDIR 	:= ${shell cygpath -w $(ZDSZILOGINCDIR)}
diff --git a/configs/z8encore000zco/ostest/Make.defs b/configs/z8encore000zco/ostest/Make.defs
index 8e4e7e90b77..a14f9b61543 100644
--- a/configs/z8encore000zco/ostest/Make.defs
+++ b/configs/z8encore000zco/ostest/Make.defs
@@ -53,6 +53,7 @@ ZDSZILOGLIBDIR		:= $(ZDSINSTALLDIR)/lib/zilog
 # These are the same directories but with the directory separator
 # character swapped as needed by the ZDS-II compiler
 
+WINTOOL			:= y
 WTOPDIR 		:= ${shell cygpath -w $(TOPDIR)}
 WZDSSTDINCDIR		:= ${shell cygpath -w $(ZDSSTDINCDIR)}
 WZDSZILOGINCDIR 	:= ${shell cygpath -w $(ZDSZILOGINCDIR)}
diff --git a/configs/z8f64200100kit/ostest/Make.defs b/configs/z8f64200100kit/ostest/Make.defs
index 3b82fba2791..7324c79524f 100644
--- a/configs/z8f64200100kit/ostest/Make.defs
+++ b/configs/z8f64200100kit/ostest/Make.defs
@@ -53,6 +53,7 @@ ZDSZILOGLIBDIR		:= $(ZDSINSTALLDIR)/lib/zilog
 # These are the same directories but with the directory separator
 # character swapped as needed by the ZDS-II compiler
 
+WINTOOL			:= y
 WTOPDIR 		:= ${shell cygpath -w $(TOPDIR)}
 WZDSSTDINCDIR		:= ${shell cygpath -w $(ZDSSTDINCDIR)}
 WZDSZILOGINCDIR 	:= ${shell cygpath -w $(ZDSZILOGINCDIR)}