diff --git a/package-lock.json b/package-lock.json
index 918c3dd04..4af4f60df 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -24,7 +24,7 @@
                 "command-exists": "~1.2.9",
                 "compare-versions": "~3.6.0",
                 "compression": "~1.7.4",
-                "croner": "~6.0.5",
+                "croner": "^8.1.0",
                 "dayjs": "~1.11.5",
                 "dev-null": "^0.1.1",
                 "dotenv": "~16.0.3",
@@ -6738,12 +6738,11 @@
             }
         },
         "node_modules/croner": {
-            "version": "6.0.7",
-            "resolved": "https://registry.npmjs.org/croner/-/croner-6.0.7.tgz",
-            "integrity": "sha512-k3Xx3Rcclfr60Yx4TmvsF3Yscuiql8LSvYLaphTsaq5Hk8La4Z/udmUANMOTKpgGGroI2F6/XOr9cU9OFkYluQ==",
-            "license": "MIT",
+            "version": "8.1.0",
+            "resolved": "https://registry.npmjs.org/croner/-/croner-8.1.0.tgz",
+            "integrity": "sha512-sz990XOUPR8dG/r5BRKMBd15MYDDUu8oeSaxFD5DqvNgHSZw8Psd1s689/IGET7ezxRMiNlCIyGeY1Gvxp/MLg==",
             "engines": {
-                "node": ">=6.0"
+                "node": ">=18.0"
             }
         },
         "node_modules/cronstrue": {
diff --git a/package.json b/package.json
index 31a89a7c7..215362832 100644
--- a/package.json
+++ b/package.json
@@ -89,7 +89,7 @@
         "command-exists": "~1.2.9",
         "compare-versions": "~3.6.0",
         "compression": "~1.7.4",
-        "croner": "~6.0.5",
+        "croner": "^8.1.0",
         "dayjs": "~1.11.5",
         "dev-null": "^0.1.1",
         "dotenv": "~16.0.3",
diff --git a/server/model/maintenance.js b/server/model/maintenance.js
index 516c03777..7aa824ffe 100644
--- a/server/model/maintenance.js
+++ b/server/model/maintenance.js
@@ -253,6 +253,10 @@ class Maintenance extends BeanModel {
                         duration = this.duration * 1000;
                     }
 
+                    if (duration === undefined && this.strategy === "recurring-interval") {
+                        duration = this.duration * 1000;
+                    }
+
                     UptimeKumaServer.getInstance().sendMaintenanceListByUserID(this.user_id);
 
                     this.beanMeta.durationTimeout = setTimeout(() => {
@@ -263,9 +267,20 @@ class Maintenance extends BeanModel {
                 };
 
                 // Create Cron
-                this.beanMeta.job = new Cron(this.cron, {
-                    timezone: await this.getTimezone(),
-                }, startEvent);
+                if (this.strategy === "recurring-interval") {
+                    const startDate = dayjs(this.startDate);
+                    const [ hour, minute ] = this.startTime.split(":");
+                    const startDateTime = startDate.hour(hour).minute(minute);
+                    this.beanMeta.job = new Cron(this.cron, {
+                        timezone: await this.getTimezone(),
+                        interval: this.interval_day * 24 * 60 * 60,
+                        startAt: startDateTime.toISOString(),
+                    }, startEvent);
+                } else {
+                    this.beanMeta.job = new Cron(this.cron, {
+                        timezone: await this.getTimezone(),
+                    }, startEvent);
+                }
 
                 // Continue if the maintenance is still in the window
                 let runningTimeslot = this.getRunningTimeslot();
@@ -395,10 +410,7 @@ class Maintenance extends BeanModel {
         } else if (!this.strategy.startsWith("recurring-")) {
             this.cron = "";
         } else if (this.strategy === "recurring-interval") {
-            let array = this.start_time.split(":");
-            let hour = parseInt(array[0]);
-            let minute = parseInt(array[1]);
-            this.cron = minute + " " + hour + " */" + this.interval_day + " * *";
+            this.cron = "* * * * *";
             this.duration = this.calcDuration();
             log.debug("maintenance", "Cron: " + this.cron);
             log.debug("maintenance", "Duration: " + this.duration);