diff --git a/db/knex_migrations/2026-01-28-0001-add-numeric-value-to-heartbeat.js b/db/knex_migrations/2026-01-28-0001-add-numeric-value-to-heartbeat.js
index ed219d0a5..0264a4811 100644
--- a/db/knex_migrations/2026-01-28-0001-add-numeric-value-to-heartbeat.js
+++ b/db/knex_migrations/2026-01-28-0001-add-numeric-value-to-heartbeat.js
@@ -1,15 +1,21 @@
-exports.up = function (knex) {
-    return knex.schema.alterTable("heartbeat", function (table) {
-        table
-            .float("numeric_value")
-            .nullable()
-            .defaultTo(null)
-            .comment("Numeric value from monitor check (e.g., from JSON query or SNMP)");
-    });
+exports.up = async function (knex) {
+    const hasColumn = await knex.schema.hasColumn("heartbeat", "numeric_value");
+    if (!hasColumn) {
+        return knex.schema.alterTable("heartbeat", function (table) {
+            table
+                .float("numeric_value")
+                .nullable()
+                .defaultTo(null)
+                .comment("Numeric value from monitor check (e.g., from JSON query or SNMP)");
+        });
+    }
 };
 
-exports.down = function (knex) {
-    return knex.schema.alterTable("heartbeat", function (table) {
-        table.dropColumn("numeric_value");
-    });
+exports.down = async function (knex) {
+    const hasColumn = await knex.schema.hasColumn("heartbeat", "numeric_value");
+    if (hasColumn) {
+        return knex.schema.alterTable("heartbeat", function (table) {
+            table.dropColumn("numeric_value");
+        });
+    }
 };
diff --git a/server/uptime-calculator.js b/server/uptime-calculator.js
index 3fe7c1e9f..003d06a64 100644
--- a/server/uptime-calculator.js
+++ b/server/uptime-calculator.js
@@ -227,6 +227,7 @@ class UptimeCalculator {
      * @param {object} dailyData Daily data object
      * @param {number} status Status value
      * @param {number} flatStatus Flattened status value
+     * @returns {void}
      */
     updateStatusCounts(minutelyData, hourlyData, dailyData, status, flatStatus) {
         if (status === MAINTENANCE) {
@@ -251,6 +252,7 @@ class UptimeCalculator {
      * @param {object} hourlyData Hourly data object
      * @param {object} dailyData Daily data object
      * @param {number} ping Ping value
+     * @returns {void}
      */
     updatePing(minutelyData, hourlyData, dailyData, ping) {
         if (isNaN(ping)) {
@@ -298,6 +300,7 @@ class UptimeCalculator {
      * @param {object} hourlyData Hourly data object
      * @param {object} dailyData Daily data object
      * @param {number} numericValue Numeric value
+     * @returns {void}
      */
     updateNumeric(minutelyData, hourlyData, dailyData, numericValue) {
         if (numericValue === null || isNaN(numericValue)) {