diff --git a/sequencer/sequencer.sh b/sequencer/sequencer.sh
index 9bda6a8..f84320c 100755
--- a/sequencer/sequencer.sh
+++ b/sequencer/sequencer.sh
@@ -49,6 +49,9 @@ helpSequencer() {
   echo "                            \$1 is always the step number" 
 }
 
+# Echo to stderr
+echoerr() { >&2 echo "$@"; }
+
 # endCheckEmpty [VariableName] [DESCRIPTION]
 #    DESCRIPTION : Optional text for error
 endCheckEmpty() {
@@ -59,7 +62,7 @@ endCheckEmpty() {
     errorText=$2
   fi
   if [ -z $ref ] ; then
-    echo -e " [E] $errorText must not be empty.\n     Sequence stopped."
+    echoerr -e " [E] $errorText must not be empty.\n     Sequence stopped."
     exit 666
   fi 
 }
@@ -113,18 +116,18 @@ endReturn() {
   if [[ ( $ERNO -ne 0 && $QUIET -ne 0 ) || ( $ERNO -ne 0 && $forceExit -ne 0 ) ]] ; then
     echo
     if [ "$endMessage" != "" ]; then
-      echo -e " [E] $endMessage\n     Sequence stopped"
+      echoerr -e " [E] $endMessage\n     Sequence stopped"
     else
-      echo -e " [E] Return value $ERNO detected.\n     Sequence stopped"
+      echoerr -e " [E] Return value $ERNO detected.\n     Sequence stopped"
     fi
     exit $ERNO
   fi
   if [ $ERNO -ne 0 ] ; then
     echo
     if [ "$endMessage" != "" ]; then
-      echo -e " [W] $endMessage"
+      echoerr -e " [W] $endMessage"
     else
-      echo " [W] Return value $ERNO detected."
+      echoerr " [W] Return value $ERNO detected."
     fi
     read -p "End sequence: [y]/n? " answer
     case $answer in
@@ -134,7 +137,7 @@ endReturn() {
         ;;
       *)
         echo
-        echo " [E] Sequence stopped"
+        echoerr " [E] Sequence stopped"
         exit $ERNO; 
         ;;
     esac
@@ -285,7 +288,7 @@ checkStep() {
     eval 'ref=$alias_'"$1"
     # Catch special character after eval
     if ! [[ "$ref" =~ $rex ]] ; then
-      echo " [E] Invalid step: $1"
+      echoerr " [E] Invalid step: $1"
       ref=0
     fi
   else
@@ -525,18 +528,18 @@ main() {
 
   # compatibility check of sequence
   if [ ! -z $VERSION_SEQREV ] && [ $VERSION_SEQREV -gt $VERSION_REV ] ; then
-    echo " [E] Unsupported sequence revision"
+    echoerr " [E] Unsupported sequence revision"
     showVersion
     exit 1
   fi
   # exclude older versions if needed
   if [ ! -z $VERSION_SEQREV ] && [ $VERSION_SEQREV -lt 3 ] ; then
-    echo " [E] Unsupported sequence revision (addConf)"
+    echoerr " [E] Unsupported sequence revision (addConf)"
     showVersion
     exit 1
   fi
   if [ -z $VERSION_SEQREV ] ; then
-    echo -e " [W] No sequence revision found. Trying anyway...\n";
+    echoerr -e " [W] No sequence revision found. Trying anyway...\n";
   fi
 
   # check for starting step