diff --git a/dunstctl b/dunstctl
index fa824bc..c8f3b60 100755
--- a/dunstctl
+++ b/dunstctl
@@ -63,7 +63,7 @@ case "${1:-}" in
 	"status-set")
 		[ "${2:-}" ] \
 			|| die "No status parameter specified. Please give either 'true' or 'false' as running parameter."
-		[ "${2}" == "true" ] || [ "${2}" == "false" ] \
+		[ "${2}" = "true" ] || [ "${2}" = "false" ] \
 			|| die "Please give either 'true' or 'false' as running parameter."
 		property_set running variant:boolean:"${2}"
 		;;
@@ -77,7 +77,7 @@ case "${1:-}" in
 		dbus-send --print-reply=literal --dest="${DBUS_NAME}" "${DBUS_PATH}" "${DBUS_IFAC_FDN}.GetServerInformation" \
 			| (
 					read name vendor version protocol_version
-					[ "${name}" == dunst ]
+					[ "${name}" = "dunst" ]
 					printf "dunst version: %s\n" "${version}"
 				) \
 			|| die "Another notification manager is running. It's not dunst"