diff --git a/common/autoconf/toolchain_windows.m4 b/common/autoconf/toolchain_windows.m4
index d82030cd3ded863957c5e7c28520b42be970d9e9..a78f9ac6628dcac81550d9255bcba69260dd8611 100644
--- a/common/autoconf/toolchain_windows.m4
+++ b/common/autoconf/toolchain_windows.m4
@@ -652,7 +652,7 @@ AC_DEFUN([TOOLCHAIN_SETUP_VS_RUNTIME_DLLS],
   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