diff -r dde48b817482 -r fe8417a1ea8c common/autoconf/toolchain_windows.m4
--- a/common/autoconf/toolchain_windows.m4	Tue Dec 17 07:03:09 2019 +0000
+++ b/common/autoconf/toolchain_windows.m4	Sun Sep 15 07:47:13 2019 +0200
@@ -652,7 +652,7 @@
   if test "x$USE_UCRT" = "xtrue"; then
     AC_MSG_CHECKING([for UCRT DLL dir])
     if test "x$with_ucrt_dll_dir" != x; then
-      if test -z "$(ls -d "$with_ucrt_dll_dir/*.dll" 2> /dev/null)"; then
+      if test -z "$(ls -d "$with_ucrt_dll_dir/"*.dll 2> /dev/null)"; then
         AC_MSG_RESULT([no])
         AC_MSG_ERROR([Could not find any dlls in $with_ucrt_dll_dir])
       else