diff --git a/mingw-w64-headers/configure b/mingw-w64-headers/configure
index d63d0e7..e0d6c32 100755
--- a/mingw-w64-headers/configure
+++ b/mingw-w64-headers/configure
@@ -2545,7 +2545,7 @@
 
 # Checks for header files.
 
-BASEHEAD_LIST="crt/_bsd_types.h crt/_cygwin.h crt/_mingw.h crt/_mingw_mac.h crt/_mingw_print_push.h crt/_mingw_print_pop.h crt/_mingw_secapi.h crt/_mingw_unicode.h crt/_timeval.h crt/crtdefs.h crt/excpt.h crt/intrin.h crt/vadefs.h crt/tchar.h " $srcdir/include/*.h
+BASEHEAD_LIST="crt/_bsd_types.h crt/_cygwin.h crt/_mingw.h crt/_mingw_mac.h crt/_mingw_print_push.h crt/_mingw_print_pop.h crt/_mingw_secapi.h crt/_mingw_unicode.h crt/_timeval.h crt/crtdefs.h crt/excpt.h crt/intrin.h crt/vadefs.h crt/tchar.h "$srcdir/include/*.h
 SECHEAD_LIST="$srcdir/crt/sec_api/stralign_s.h"
 for i in dlg h16 hxx rh ver; do
   BASEHEAD_LIST="$BASEHEAD_LIST "$srcdir/include/*.$i