diff --git a/ReleaseNotes.txt b/ReleaseNotes.txt
index 01da720..3256f4c 100644
--- a/ReleaseNotes.txt
+++ b/ReleaseNotes.txt
@@ -1,11 +1,13 @@
 ------------------------------------------------------------------------------------------------------------------------------------
-Rx3-Docker/Docker Tools V 1.3.3 - A. GIBERT - 2025/01/04
+Rx3-Docker/Docker Tools V 1.3.3 - A. GIBERT - 2025/01/05
 ------------------------------------------------------------------------------------------------------------------------------------
 
-- Add DOCKER_TOOLS_EXEPTION_LOGS env variable support.
+- Add DOCKER_TOOLS_EXEPTION_LOGS env variable support,
+- Remove .env.sed file obsoleted by ENV_SED environment variable.
 
 
 
+------------------------------------------------------------------------------------------------------------------------------------
 Rx3-Docker/Docker Tools V 1.3.2 - A. GIBERT - 2024/12/27
 ------------------------------------------------------------------------------------------------------------------------------------
 
diff --git a/sbin/docker_mk_env b/sbin/docker_mk_env
index cb71f80..54b362b 100755
--- a/sbin/docker_mk_env
+++ b/sbin/docker_mk_env
@@ -415,14 +415,16 @@ fi
 
 
 >${APPL_HOME_DIR}/.env
->${APPL_HOME_DIR}/.env.sed
 
 for var in $( ( grep "^ *[a-zA-Z0-9_-]*=" ${APPL_HOME_DIR}/env | sed -e "s/=.*//" -e "s/ *//"; echo ${DYNVAR_LIST} | sed -e 's/ /\n/g') | sort -u)
 do
     echo "${var}='${!var}'"               >>${APPL_HOME_DIR}/.env
-    echo "s/\${${var}}/${!var//\//\\/}/g" >>${APPL_HOME_DIR}/.env.sed
+    ENV_SED="${ENV_SED}s/\${${var}}/${!var//\//\\/}/g
+"
 done
 
+echo ENV_SED=\'"${ENV_SED}"\'           >>${APPL_HOME_DIR}/.env
+
 
 
 for tupple in ${CONFIG_FILE_LIST}
@@ -435,5 +437,5 @@ do
     IFS=" "
 
 
-    sed <${config_file_source} >${config_file_target} -f ${APPL_HOME_DIR}/.env.sed
+    sed <${config_file_source} >${config_file_target} -e "${ENV_SED}"
 done