diff --git a/wizard.sh b/wizard.sh
index 6e215365f..57311d40c 100755
--- a/wizard.sh
+++ b/wizard.sh
@@ -262,20 +262,26 @@ install_collection() {
         fi
     done
 
+    local YES=""
+
     if [[ ${SILENT} == "false" ]]; then
         COLLECTION_TO_INSTALL=($(whiptail --separate-output --ok-button Continue --title "Crowdsec collections" --checklist "Available collections in crowdsec, try to pick one that fits your profile. Collections contains parsers and scenarios to protect your system." 20 120 10 "${HMENU[@]}" 3>&1 1>&2 2>&3))
         if [ $? -eq 1 ]; then
             log_err "user bailed out at collection selection"
             exit 1;
         fi;
+    else
+        YES="--yes"
     fi;
 
     for collection in "${COLLECTION_TO_INSTALL[@]}"; do
         log_info "Installing collection '${collection}'"
-        ${CSCLI_BIN_INSTALLED} collections install "${collection}" --error
+        # shellcheck disable=SC2248
+        ${CSCLI_BIN_INSTALLED} collections install "${collection}" --error ${YES}
     done
 
-    ${CSCLI_BIN_INSTALLED} parsers install "crowdsecurity/whitelists" --error
+    # shellcheck disable=SC2248
+    ${CSCLI_BIN_INSTALLED} parsers install "crowdsecurity/whitelists" --error ${YES}
     if [[ ${SILENT} == "false" ]]; then
         whiptail --msgbox "Out of safety, I installed a parser called 'crowdsecurity/whitelists'. This one will prevent private IP addresses from being banned, feel free to remove it any time." 20 50
     fi