diff --git a/Pmodules/modulecmd.bash.in b/Pmodules/modulecmd.bash.in
index e448d9e..67429ec 100755
--- a/Pmodules/modulecmd.bash.in
+++ b/Pmodules/modulecmd.bash.in
@@ -15,10 +15,8 @@ declare -r  libdir="${prefix}/lib"
 declare -r  libexecdir="${prefix}/libexec"
 
 declare -r base64="${sbindir}/base64"
-#declare -r getopt="${sbindir}/getopt"
 declare -r mktemp="${sbindir}/mktemp"
 declare -r sort="${sbindir}/sort"
-#declare -r tail="${sbindir}/tail"
 
 source "${libdir}/libstd.bash"
 source "${libdir}/libpmodules.bash"
@@ -79,7 +77,7 @@ pbuild::save_env() {
 	pbuild::export_env ${shell} PMODULES_ENV
 }
 
-trap 'pbuild::save_env ${g_shell} Groups GroupDepths UsedReleases PMODULES_DEFAULT_GROUPS PMODULES_DEFINED_RELEASES PMODULES_DEFAULT_RELEASES' EXIT
+trap 'pbuild::save_env ${g_shell} Groups GroupDepths UsedReleases UsedArchs PMODULES_DEFAULT_GROUPS PMODULES_DEFINED_RELEASES PMODULES_DEFAULT_RELEASES' EXIT
 
 print_version() {
 	echo "
@@ -651,7 +649,6 @@ subcommand_load() {
 	#
 	# Notes:
 	#	The variable 'release' in function 'subcommand_load()' will be set.
-	#	The variable 'm' in function 'subcommand_load()' may be set.
 	#
 	is_available() {
 		local  m=$1
@@ -800,11 +797,20 @@ subcommand_load() {
 				    std::die 3 "${CMD} load: illegal release name."
 				std::append_path UsedReleases "${release}"
 			fi
-		fi 
-		if ! is_available "${m}"; then
-			std::info "${CMD} load: module unavailable -- ${m}"
-			[[ ${verbosity_lvl} == 'verbose' ]] && output_load_hints
-			std::die 3 ""
+		fi
+		local use_arch='no'
+		for arch in "${UsedArchs[@]}"; do
+			if is_available "${m}_${arch}"; then
+				m="${m}_${arch}"
+				use_arch='yes'
+			fi
+		done
+		if [[ "${use_arch}" = 'no' ]]; then
+			if ! is_available "${m}"; then
+				std::info "${CMD} load: module unavailable -- ${m}"
+				[[ ${verbosity_lvl} == 'verbose' ]] && output_load_hints
+				std::die 3 ""
+			fi
 		fi
 		if [[ ":${LOADEDMODULES}:" =~ ":${m}:" ]]; then
 			std::die 3 "${CMD} load: module conflicts with already loaded module -- ${m}"
@@ -1172,6 +1178,11 @@ subcommand_use() {
 			fi
 		done
 
+		std::info "\nUsed architecures:"
+		for arch in "${UsedArchs//:/ }"; do
+			std::info "\t${arch}"
+		done
+
 		std::info "\nAdditonal directories in MODULEPATH:"
 		let n=0
 		for (( i=0; i<${#modulepath[@]}; i++)); do
@@ -1208,6 +1219,8 @@ subcommand_use() {
 			if is_release "${arg}"; then
 			        # releases are always *appended*
 			        std::append_path UsedReleases "${arg}"
+			elif [[ "${arg}" =~ "arch=" ]]; then
+				std::append_path UsedArchs "${arg/arch=}"
 			elif [[ ! ${arg} =~ */* ]] && [[ -d ${modulefiles_dir} ]]; then
 				if [[ -z "${GroupDepths[$arg]}" ]]; then
 					# not yet cached group
@@ -1295,6 +1308,8 @@ subcommand_unuse() {
 		local modulefiles_dir="${PMODULES_ROOT}/${arg}/${PMODULES_MODULEFILES_DIR}"
 		if is_release "${arg}"; then
 			std::remove_path UsedReleases "${arg}"
+		elif [[ "${arg}" =~ "arch=" ]]; then
+			std::remove_path UsedArchs "${arg/arch=}"
 		elif [[ ! ${arg} =~ */* ]] &&  [[ -d ${modulefiles_dir} ]]; then
 			if (( ${GroupDepths[$arg]} != 0 )); then
 				std::die 3 "${CMD} ${FUNCNAME[0]##*_}: cannot remove group ${arg} from module path"
@@ -1399,6 +1414,7 @@ pmodules_init() {
 	declare -ag Groups='()'
 	declare -Ag GroupDepths='()'
 	declare -g  UsedReleases=''
+	declare -g  UsedArchs=()
 	for r in ${PMODULES_DEFAULT_RELEASES//:/ }; do
 		std::append_path UsedReleases "${r}"
 	done