diff --git a/colours.sh b/colours.sh
index f149ad6..793faf6 100755
--- a/colours.sh
+++ b/colours.sh
@@ -1,6 +1,7 @@
 #!/usr/bin/env bash
 
 # Print out escape sequences usable for coloured text on tty.
+# shellcheck disable=2016
 printf 'Colour escapes are %s\n' '\e[${value};...;${value}m'
 printf 'Values 30..37 are \e[33mforeground colours\e[m\n'
 printf 'Values 40..47 are \e[43mbackground colours\e[m\n'
@@ -17,17 +18,17 @@ for fgc in {30..37}; do
 		fgc=${fgc#37} # white
 		bgc=${bgc#40} # black
 
-		vals="${fgc:+$fgc;}${bgc}"
+		vals="${fgc:+$fgc};${bgc}"
 		vals=${vals%%;}
 
 		seq0="${vals:+\e[${vals}m}"
 		printf " %-9s" "${seq0:-(default)}"
-		echo -e -n " ${seq0}TEXT\e[m"
-		echo -e -n " \e[${vals:+${vals+$vals;}}1mBOLD\e[m"
-		echo -e -n " \e[${vals:+${vals+$vals;}}2mDIM\e[m"
-		echo -e -n " \e[${vals:+${vals+$vals;}}3mITA\e[m"
-		echo -e -n " \e[${vals:+${vals+$vals;}}4mUND\e[m"
-		echo -e -n " \e[${vals:+${vals+$vals;}}5mBLI\e[m"
+		echo -en " ${seq0}TEXT\e[m"
+		echo -en " \e[${vals:+${vals+$vals}};1mBOLD\e[m"
+		echo -en " \e[${vals:+${vals+$vals}};2mDIM\e[m"
+		echo -en " \e[${vals:+${vals+$vals}};3mITA\e[m"
+		echo -en " \e[${vals:+${vals+$vals}};4mUND\e[m"
+		echo -en " \e[${vals:+${vals+$vals}};5mBLI\e[m"
 	done
 	echo; echo
 done