diff --git a/install.sh b/install.sh
index 37a3cec..eb302b1 100755
--- a/install.sh
+++ b/install.sh
@@ -170,19 +170,19 @@ detect_agents() {
 select_agents() {
     header "Pour quel(s) agent(s) installer ?"
 
-    local agent_input=""
+    local -a agent_lines=()
     for agent in "claude-code" "gemini-cli" "codex" "hermes"; do
         local detected=0
         for a in "${DETECTED_AGENTS[@]}"; do [[ "$a" == "$agent" ]] && detected=1; done
         if [[ $detected -eq 1 ]]; then
-            agent_input+="${agent}\t${GRV_GREEN}✓ détecté   ${RESET}${GRV_FG}${agent}${RESET}\n"
+            agent_lines+=("${agent}"$'\t'"${GRV_GREEN}✓ détecté   ${RESET}${GRV_FG}${agent}${RESET}")
         else
-            agent_input+="${agent}\t${GRV_GRAY}○ non installé  ${agent}${RESET}\n"
+            agent_lines+=("${agent}"$'\t'"${GRV_GRAY}○ non installé  ${agent}${RESET}")
         fi
     done
 
     local raw_selected
-    raw_selected=$(printf "$agent_input" | fzf \
+    raw_selected=$(printf '%s\n' "${agent_lines[@]}" | fzf \
         --multi \
         --ansi \
         --delimiter='\t' \