diff --git a/sh/log.sh b/sh/log.sh
index 40cb311..1674324 100644
--- a/sh/log.sh
+++ b/sh/log.sh
@@ -58,7 +58,7 @@ _sh_log() {
 	shift
 	local line
 	for line in "${@}"; do
-		printf "%s" "${prefix}"
-		echo " ${line}"
+		[ -n "${prefix}" ] && printf "%s" "${prefix} "
+		echo "${line}"
 	done
-}
\ No newline at end of file
+}