diff --git a/misc/tools.func b/misc/tools.func
index 18538e87..a34a2d79 100644
--- a/misc/tools.func
+++ b/misc/tools.func
@@ -6283,9 +6283,11 @@ function setup_mysql() {
     return 100
   }
 
-  # Debian 13+ Fix: MySQL 8.0 incompatible with libaio1t64, use 8.4 LTS
+  # Debian 13+ Fix: MySQL 8.0 incompatible with libaio1t64, force 8.4 LTS
+  # Trixie has native MySQL 8.4 LTS repo support; forky/sid fall back to trixie
   if [[ "$DISTRO_ID" == "debian" && "$DISTRO_CODENAME" =~ ^(trixie|forky|sid)$ ]]; then
-    msg_info "Debian ${DISTRO_CODENAME} detected → using MySQL 8.4 LTS (libaio1t64 compatible)"
+    local MYSQL_SUITE="trixie"
+    msg_info "Debian ${DISTRO_CODENAME} detected → installing MySQL 8.4 LTS"
 
     if ! download_gpg_key "https://repo.mysql.com/RPM-GPG-KEY-mysql-2023" "/etc/apt/keyrings/mysql.gpg" "dearmor"; then
       msg_error "Failed to import MySQL GPG key"
@@ -6295,7 +6297,7 @@ function setup_mysql() {
     cat >/etc/apt/sources.list.d/mysql.sources <<EOF
 Types: deb
 URIs: https://repo.mysql.com/apt/debian/
-Suites: bookworm
+Suites: ${MYSQL_SUITE}
 Components: mysql-8.4-lts
 Architectures: $(dpkg --print-architecture)
 Signed-By: /etc/apt/keyrings/mysql.gpg