diff --git a/services/authelia.sh b/services/authelia.sh
index caf37f5..3819ab4 100644
--- a/services/authelia.sh
+++ b/services/authelia.sh
@@ -2412,10 +2412,11 @@ _authelia_set_remember_me() {
     local config_file="$DOCKER_DIR/authelia/config/configuration.yml"
     [ -f "$config_file" ] || { log_warning "No configuration.yml found — install Authelia first."; return 1; }
 
-    local current
+    local current current_inactivity
     current="$(grep -E '^  remember_me:' "$config_file" | awk '{print $2}' | tr -d "'\"")"
+    current_inactivity="$(grep -E '^  inactivity:' "$config_file" | awk '{print $2}' | tr -d "'\"")"
     echo ""
-    echo "  Current \"remember me\" duration: ${current:-not set}"
+    echo "  Current \"remember me\" duration: ${current:-not set} (inactivity timeout: ${current_inactivity:-not set})"
     echo "  How long a session lasts when someone checks \"Remember me\" at login —"
     echo "  applies to every domain this Authelia instance protects. Also sets"
     echo "  \"inactivity\" (idle timeout) to the same value, so a gap between visits"
@@ -2424,10 +2425,22 @@ _authelia_set_remember_me() {
     echo "  Examples: 12h, 7d, 1M (month), 1y. Set to -1 to disable Remember Me entirely."
     local new_duration=""
     prompt_text "  New duration [${current:-7d}]:" "${current:-7d}" new_duration
-    if [ -z "$new_duration" ] || [ "$new_duration" = "$current" ]; then
+    if [ -z "$new_duration" ]; then
         log_info "No change made."
         return 0
     fi
+    # Only truly a no-op if BOTH keys already match — remember_me alone
+    # matching isn't enough to skip, or an install still carrying the old
+    # mismatched inactivity default (from before this function synced the
+    # two) could never actually get inactivity fixed by re-entering the
+    # same remember_me value. Confirmed live: this is exactly what
+    # happened on a box that had already set remember_me: 1y before this
+    # sync existed — re-running with "1y" again hit this early return and
+    # left inactivity untouched.
+    if [ "$new_duration" = "$current" ] && [ "$new_duration" = "$current_inactivity" ]; then
+        log_info "No change made — remember_me and inactivity already both ${new_duration}."
+        return 0
+    fi
 
     if grep -qE '^  remember_me:' "$config_file"; then
         sed -i "s/^  remember_me:.*/  remember_me: '${new_duration}'/" "$config_file"