Index: tests/subst.at
--- tests/subst.at.orig
+++ tests/subst.at
@@ -55,10 +55,10 @@ foo* ab{c,d} ^fo*
 
 AT_CHECK([
 case "$(uname -s)" in
-Darwin)
+Darwin[)]
     HOME=$(dscl . read "/Users/$USER" NFSHomeDirectory | awk '{ print $NF }')
     ;;
-*)
+*[)]
     HOME=$(getent passwd $(id -un) | awk -F: '{ print $(NF - 1) }')
     ;;
 esac;
@@ -70,10 +70,10 @@ echo 'echo ~; echo "$HOME"' | tcsh -f | uniq | wc -l |
 
 AT_CHECK([
 case "$(uname -s)" in
-Darwin)
+Darwin[)]
     HOME=$(dscl . read "/Users/$USER" NFSHomeDirectory | awk '{ print $NF }')
     ;;
-*)
+*[)]
     HOME=$(getent passwd $(id -un) | awk -F: '{ print $(NF - 1) }')
     ;;
 esac;