diff --git a/configure b/configure
index 71e6752..e66492f 100755
--- a/configure
+++ b/configure
@@ -1932,7 +1932,7 @@ rm -f conftest.sed
 # expand $ac_aux_dir to an absolute path
 am_aux_dir=`cd $ac_aux_dir && pwd`
 
-test x"${MISSING+set}" = xset || MISSING="\${SHELL} $am_aux_dir/missing"
+test x"${MISSING+set}" = xset || MISSING="\${SHELL} \"$am_aux_dir/missing\""
 # Use eval to expand $SHELL
 if eval "$MISSING --run true"; then
   am_missing_run="$MISSING --run "