diff --git a/catmd.sh b/catmd.sh
index cf2591a..72100c5 100755
--- a/catmd.sh
+++ b/catmd.sh
@@ -377,7 +377,7 @@ FO_QUOTE='\033[96;100m'
 
 # Use linefeeder for input handling
 WDIR="$(cd "$(dirname -- "$(realpath ${BASH_SOURCE[0]})")" >>/dev/null 2>&1 && pwd)"
-source ${WDIR}/linefeeder/linefeeder.sh
+. ${WDIR}/linefeeder/linefeeder.sh
 
 # Provide catmd also as function if this script is sourced
 catmd() {
@@ -385,7 +385,7 @@ catmd() {
   echo -en "$FO_RESET"
 }
 
-### Check if script is sourced
+### Check if script is sourced for all kinds of shells
 ### https://stackoverflow.com/a/28776166
 sourced=0
 if [ -n "$ZSH_EVAL_CONTEXT" ]; then