diff --git a/Pmodules/bash b/Pmodules/bash
index 893730f..5476ca7 100644
--- a/Pmodules/bash
+++ b/Pmodules/bash
@@ -33,6 +33,9 @@ fi
 unset MODULE_VERSION
 unset MODULE_VERSION_STACK
 unset MODULESHOME
+unset PMODULES_ENV
+
+PATH="${PMODULES_HOME}/bin:$PATH"
 
 #############################################################################
 # implement module comand as shell function
diff --git a/Pmodules/libstd.bash b/Pmodules/libstd.bash
index ad7f0e6..846484d 100644
--- a/Pmodules/libstd.bash
+++ b/Pmodules/libstd.bash
@@ -67,14 +67,14 @@ std::get_abspath() {
 }
 
 std::append_path () {
-	local -r P="$1"
-	local -r d="$2"
+	local -r P=$1
+	local -r d=$2
 
         if ! echo ${!P} | egrep -q "(^|:)${d}($|:)" ; then
 		if [[ -z ${!P} ]]; then
-			eval $P=\"${d}\"
+			export "$P=${d}"
 		else
-			eval $P=\"${!P}:${d}\"
+			export "$P=${!P}:${d}"
         	fi
 	fi
 }
@@ -85,9 +85,9 @@ std::prepend_path () {
 
         if ! echo ${!P} | egrep -q "(^|:)${d}($|:)" ; then
                 if [[ -z ${!P} ]]; then
-                        eval $P=${d}
+                        export "$P=${d}"
                 else
-                        eval $P=${d}:${!P}
+                        export "$P=${d}:${!P}"
                 fi
         fi
 }
diff --git a/Pmodules/modulecmd.bash.in b/Pmodules/modulecmd.bash.in
index dd163d4..a52ba79 100755
--- a/Pmodules/modulecmd.bash.in
+++ b/Pmodules/modulecmd.bash.in
@@ -1410,7 +1410,7 @@ subcommand_list() {
 
 init_path() {
         std::replace_path PATH    "${PMODULES_HOME%/*}/.*"
-        std::append_path  PATH    "${PMODULES_HOME}/bin"
+        std::prepend_path PATH    "${PMODULES_HOME}/bin"
 }
 
 init_manpath() {
@@ -1450,7 +1450,8 @@ pmodules_init() {
                            LOADEDMODULES \
                            _LMFILES_ \
                            MODULEPATH \
-                           PATH
+                           PATH \
+                           MANPATH
 }
 
 ##############################################################################
diff --git a/Pmodules/profile.bash.in b/Pmodules/profile.bash.in
index 11ddef7..3cc380c 100644
--- a/Pmodules/profile.bash.in
+++ b/Pmodules/profile.bash.in
@@ -12,10 +12,6 @@
 # set default version
 : ${PMODULES_VERSION:=@PMODULES_VERSION@}
 
-export     PMODULES_DEFAULT_GROUPS
-export     PMODULES_DEFAULT_RELEASES
-export     PMODULES_VERSION
-
 #############################################################################
 #          N O   C H A N G E S   B E L O W   T H I S   L I N E !            #
 #