diff --git a/lib/sde-wrapper-discriminator.in b/lib/sde-wrapper-discriminator.in
index 377298f..0f182fc 100644
--- a/lib/sde-wrapper-discriminator.in
+++ b/lib/sde-wrapper-discriminator.in
@@ -44,7 +44,7 @@ sde_wrapper_discriminator_help() {
 
 sde_wrapper_discriminator() {
 	local combin= command="$1"; shift
-	local discriminators=$( sde_wrapper_discriminator_list $command )
+	local discriminators="$(sde_wrapper_discriminator_list $command)"
 
 	if [ "$1" != "${1%-*}" ]; then
 		# trying to cheat, no dashes alowed