diff --git a/init/Makefile b/init/Makefile
index 419ca658..a1e4c2a8 100644
--- a/init/Makefile
+++ b/init/Makefile
@@ -119,7 +119,7 @@ endif
 
 # define variables for shell completion
 comp_cmds := add add-any apropos aliases avail append-path cachebuild cacheclear clear config del display edit help initadd initclear initlist initprepend initrm is-loaded is-saved is-used is-avail info-loaded keyword lint list load load-any mod-to-sh path paths purge prepend-path refresh reload reset restore rm remove remove-path save savelist saveshow saverm search show sh-to-mod source spider stash stashclear stashlist stashpop stashrm stashshow state swap switch test try-add try-load unload unuse use whatis
-comp_long_opts := --debug --help --silent --trace --verbose --version --paginate --no-pager --color --color= --width --width= --ignore-cache --ignore-user-rc
+comp_long_opts := --debug --dumpname --help --silent --trace --verbose --version --paginate --no-pager --color --color= --width --width= --ignore-cache --ignore-user-rc
 comp_opts := -D -h -s -T -v -V -w $(comp_long_opts)
 comp_load_opts := --auto --no-auto --force -f --icase -i --tag --tag=
 comp_unload_opts := --auto --no-auto --force -f --icase -i
diff --git a/init/bash_completion.in b/init/bash_completion.in
index 6543de30..65187bca 100644
--- a/init/bash_completion.in
+++ b/init/bash_completion.in
@@ -107,7 +107,7 @@ _module() {
     apropos|keyword|search)
                     COMPREPLY=( $(compgen -W "@comp_search_opts@" -- "$cur") );;
     config|--reset) COMPREPLY=( $(compgen -W "@comp_config_opts@" -- "$cur") );;
-    -h|--help|-V|--version|purge|refresh|reload|sh-to-mod|source|state|reset|stash|stashclear|cacheclear)
+    -h|--help|-V|--version|--dumpname|purge|refresh|reload|sh-to-mod|source|state|reset|stash|stashclear|cacheclear)
                     ;;
     append-path|prepend-path)
                     COMPREPLY=( $(compgen -W "@comp_path_opts@" -- "$cur") );;
@@ -170,7 +170,7 @@ if type -t ml >/dev/null; then
         apropos|keyword|search)
                         COMPREPLY=( $(compgen -W "@comp_search_opts@" -- "$cur") );;
         config|--reset) COMPREPLY=( $(compgen -W "@comp_config_opts@" -- "$cur") );;
-        -h|--help|-V|--version|purge|refresh|reload|sh-to-mod|source|state|reset|stash|stashclear|cacheclear)
+        -h|--help|-V|--version|--dumpname|purge|refresh|reload|sh-to-mod|source|state|reset|stash|stashclear|cacheclear)
                         ;;
         append-path|prepend-path)
                         COMPREPLY=( $(compgen -W "@comp_path_opts@" -- "$cur") );;
diff --git a/init/fish_completion b/init/fish_completion
index 3e07f4dd..943a2fd6 100644
--- a/init/fish_completion
+++ b/init/fish_completion
@@ -148,6 +148,7 @@ complete -f -n '__fish_module_no_subcommand' -c module -a 'cachebuild' --descrip
 complete -f -n '__fish_module_no_subcommand' -c module -a 'cacheclear' --description 'Delete cache file in enabled modulepath(s)'
 
 complete -c module -s V -l version --description 'Module version'
+complete -c module -l dumpname --description 'Module implementation name'
 complete -c module -s T -l trace --description 'Enable trace and debug messages'
 complete -c module -s D -l debug --description 'Enable debug messages'
 complete -c module -s v -l verbose --description 'Enable verbose messages'
diff --git a/init/tcsh_completion.in b/init/tcsh_completion.in
index 1e452812..a1e4876a 100644
--- a/init/tcsh_completion.in
+++ b/init/tcsh_completion.in
@@ -108,6 +108,7 @@ complete module 'C,/*,f,' 'C,.*,f,' 'C,~/*,f,' \
         'n/--help/n/' \
         'n/-V/n/' \
         'n/--version/n/' \
+        'n/--dumpname/n/' \
         'C/sw*/(switch)/' \
         "p/1/(@comp_cmds@ @comp_opts@)/" \
         "n/-*/(@comp_cmds@)/"
diff --git a/init/zsh-functions/_module.in b/init/zsh-functions/_module.in
index b652471a..cab677af 100644
--- a/init/zsh-functions/_module.in
+++ b/init/zsh-functions/_module.in
@@ -127,6 +127,7 @@ _module() {
       '(-s --silent)'{-s,--silent}'[Turn off error, warning and informational messages]' \
       '(-h --help)'{-h,--help}'[Usage info]' \
       '(-V --version)'{-V,--version}'[Module version]' \
+      '--dumpname[Module implementation name]' \
       '(-w --width=)'{-w,--width=}'[Set output width]' \
       '--paginate[Pipe mesg output into a pager if stream attached to terminal]' \
       '--no-pager[Do not pipe message output into a pager]' \
@@ -209,7 +210,8 @@ _module() {
          )
          # show commands only with compatible options
          if (( !$+opt_args[-h] && !$+opt_args[--help] \
-            && !$+opt_args[-V] && !$+opt_args[--version] )); then
+            && !$+opt_args[-V] && !$+opt_args[--version] \
+            && !$+opt_args[--dumpname] )); then
             _describe -t cmds 'Module Sub-Commands' cmds && ret=0
          fi
          ;;