diff --git a/configure/os/CONFIG_COMPAT b/configure/os/CONFIG_COMPAT
index af52ee344..4c2a5cf9a 100644
--- a/configure/os/CONFIG_COMPAT
+++ b/configure/os/CONFIG_COMPAT
@@ -14,7 +14,7 @@ ARCH_Linux = linux-x86
 ARCH_WIN32 = win32-x86
 ARCH_hp700 = hpux-parisc
 ARCH_alpha = osf-alpha
-ARCH_cygwin32 = cygwin-x86
+ARCH_cygwin32 = win32-x86-cygwin
 ARCH_Borland = win32-x86-borland
 
 ifndef EPICS_HOST_ARCH