diff --git a/lib/functions.sh b/lib/functions.sh
index 6a2d44f..7b193ec 100644
--- a/lib/functions.sh
+++ b/lib/functions.sh
@@ -8,7 +8,7 @@ function idem_apt_install() {
     if ! (/usr/bin/dpkg-query --status "$i" >/dev/null 2>&1); then
       sudo apt install -y "$i"
     elif $VERBOSE; then
-      echo "${PREFIX:=}apt package <$i> already installed!"
+      echo "apt package <$i> already installed!"
     fi
   done
 }
diff --git a/tools/append_or_replace b/tools/append_or_replace
index 5fc5fe6..fe46f0d 100755
--- a/tools/append_or_replace
+++ b/tools/append_or_replace
@@ -14,7 +14,7 @@ STRING=$2
 FILE=$3
 
 if ! grep -q "$REGEX" "$FILE"; then
-	echo "$STRING" >>$FILE
+	PREFIX="" echo "$STRING" >>$FILE
 	echo appended
 else
 	sed -i "s|$REGEX|$STRING|g" $FILE