diff --git a/install.sh b/install.sh
index a573652..3ce3a5b 100755
--- a/install.sh
+++ b/install.sh
@@ -54,8 +54,8 @@ function execute_miaou_lib {
 }
 
 function assert_bash {
-  if [[ $SHELL != "$BASH_SHELL" ]]; then
-    >&2 echo "you are running on SHELL=$SHELL. expectation: $BASH_SHELL"
+  if [[ $(basename "$SHELL") != 'bash' ]]; then
+    >&2 echo "MIAOU ERROR: you are running on SHELL=$SHELL rather than 'bash'!"
     return 11
   fi
 }
diff --git a/lib/initiate.bash b/lib/initiate.bash
index 55a8717..974769a 100644
--- a/lib/initiate.bash
+++ b/lib/initiate.bash
@@ -10,7 +10,7 @@ readonly AZERTY_ZONES=(
   'Pacific/Noumea'
   'Pacific/Tahiti'
 )
-readonly REQUIRED_PKGS=(file jq vim git)
+readonly REQUIRED_PKGS=(file jq vim git bash-completion)
 readonly BACKUP_SUFFIX='.ORIGINAL'
 
 # FUNCTIONS