diff --git a/config/CONFIG_COMPAT b/config/CONFIG_COMPAT
index e58460a64..c00093af1 100644
--- a/config/CONFIG_COMPAT
+++ b/config/CONFIG_COMPAT
@@ -24,7 +24,7 @@ ARCH_WIN32 = win32-x86
 ARCH_hp700 = hpux-m68k
 ARCH_alpha = osf-alpha
 ARCH_Borland = win32-x86-borland
-ARCH_cygwin32 = win32-x86-cygwin
+ARCH_cygwin32 = cygwin-x86
 
 ifndef EPICS_HOST_ARCH
 ifdef HOST_ARCH