diff --git a/.local/bin/no-ansi b/.local/bin/no-ansi
index b544661..46f54d8 100755
--- a/.local/bin/no-ansi
+++ b/.local/bin/no-ansi
@@ -4,4 +4,4 @@
 #
 # Remove ANSI escape sequences.
 
-env LC_ALL=C sed 's/\[[0-?]*[ -/]*[@-~]//g'
+env LC_ALL=C sed "$(printf 's/\033\\[[0-?]*[ -/]*[@-~]//g')"
diff --git a/.local/bin/no-ansi-sgr b/.local/bin/no-ansi-sgr
index fdf8892..d8d6f38 100755
--- a/.local/bin/no-ansi-sgr
+++ b/.local/bin/no-ansi-sgr
@@ -5,4 +5,4 @@
 # Remove ANSI SGR (Select Graphic Rendition) escape sequences, e.g. setting
 # color or bold font.
 
-env LC_ALL=C sed 's/\[[0-?]*[ -/]*m//g'
+env LC_ALL=C sed "$(printf 's/\033\\[[0-?]*[ -/]*m//g')"