diff --git a/.udir b/.udir
index a5c7d43..b8ace89 100644
--- a/.udir
+++ b/.udir
@@ -18,7 +18,7 @@ kvm_service=
 openvz_service=
 
 configure_variables=(dest uninst_utools rm_utools kvm_service openvz_service)
-configure_dest_for=(bashrc profile lib/uinst/conf lib/uinst/rootconf lib/profile.d/nutools lib/bashrc.d/bash_completion.nutools lib/init.d/kvm-stop-all legacy/sysinc/utools legacy/sysinc/system_caps legacy/sysinc/private/init)
+configure_dest_for=(bashrc profile lib/uinst/conf lib/uinst/rootconf lib/profile.d/nutools lib/bashrc.d/bash_completion lib/init.d/kvm-stop-all legacy/sysinc/utools legacy/sysinc/system_caps legacy/sysinc/private/init)
 config_scripts=(lib/uinst/conf lib/uinst/system_caps.legacy)
 install_profiles=true
 profiledir=lib/profile.d
diff --git a/lib/ulib/bash41/bash_completion b/lib/ulib/bash41/bash_completion
index 050bfe0..fb3e290 100644
--- a/lib/ulib/bash41/bash_completion
+++ b/lib/ulib/bash41/bash_completion
@@ -14,7 +14,16 @@ function __bash_completion_enabled() {
     return 1
 }
 function __bash_completion_module_enabled() {
-    [ -f "/usr/share/bash-completion/completions/$1" ] && return 0
+    if [ -f "/usr/share/bash-completion/completions/$1" ]; then
+        local var="__NUTOOLS_BASH_COMPLETION_${1//-/_}"
+        if [ -z "${!var}" ]; then
+            # nous ne supportons pas le chargement à la demande: charger le
+            # module de suite
+            source "/usr/share/bash-completion/completions/$1"
+            eval "$var=1"
+        fi
+        return 0
+    fi
     [ -n "$BASH_COMPLETION_COMPAT_DIR" -a -f "$BASH_COMPLETION_COMPAT_DIR/$1" ] && return 0
     return 1
 }