diff --git a/server/routers/api-router.js b/server/routers/api-router.js
index 665163aee..2d5f96617 100644
--- a/server/routers/api-router.js
+++ b/server/routers/api-router.js
@@ -1,5 +1,5 @@
 let express = require("express");
-const { allowDevAllOrigin, allowAllOrigin, percentageToColor, filterAndJoin, send403 } = require("../util-server");
+const { allowDevAllOrigin, allowAllOrigin, percentageToColor, filterAndJoin, sendHttpError } = require("../util-server");
 const { R } = require("redbean-node");
 const apicache = require("../modules/apicache");
 const Monitor = require("../model/monitor");
@@ -175,7 +175,7 @@ router.get("/api/badge/:id/status", cache("5 minutes"), async (request, response
         response.type("image/svg+xml");
         response.send(svg);
     } catch (error) {
-        send403(response, error.message);
+        sendHttpError(response, error.message);
     }
 });
 
@@ -242,7 +242,7 @@ router.get("/api/badge/:id/uptime/:duration?", cache("5 minutes"), async (reques
         response.type("image/svg+xml");
         response.send(svg);
     } catch (error) {
-        send403(response, error.message);
+        sendHttpError(response, error.message);
     }
 });
 
@@ -303,7 +303,7 @@ router.get("/api/badge/:id/ping/:duration?", cache("5 minutes"), async (request,
         response.type("image/svg+xml");
         response.send(svg);
     } catch (error) {
-        send403(response, error.message);
+        sendHttpError(response, error.message);
     }
 });
 
@@ -373,7 +373,7 @@ router.get("/api/badge/:id/avg-response/:duration?", cache("5 minutes"), async (
         response.type("image/svg+xml");
         response.send(svg);
     } catch (error) {
-        send403(response, error.message);
+        sendHttpError(response, error.message);
     }
 });
 
@@ -464,7 +464,7 @@ router.get("/api/badge/:id/cert-exp", cache("5 minutes"), async (request, respon
         response.type("image/svg+xml");
         response.send(svg);
     } catch (error) {
-        send403(response, error.message);
+        sendHttpError(response, error.message);
     }
 });
 
@@ -536,7 +536,7 @@ router.get("/api/badge/:id/response", cache("5 minutes"), async (request, respon
         response.type("image/svg+xml");
         response.send(svg);
     } catch (error) {
-        send403(response, error.message);
+        sendHttpError(response, error.message);
     }
 });
 
diff --git a/server/routers/status-page-router.js b/server/routers/status-page-router.js
index de075db8d..28cf5f4c9 100644
--- a/server/routers/status-page-router.js
+++ b/server/routers/status-page-router.js
@@ -2,7 +2,7 @@ let express = require("express");
 const apicache = require("../modules/apicache");
 const { UptimeKumaServer } = require("../uptime-kuma-server");
 const StatusPage = require("../model/status_page");
-const { allowDevAllOrigin, send403 } = require("../util-server");
+const { allowDevAllOrigin, sendHttpError } = require("../util-server");
 const { R } = require("redbean-node");
 const Monitor = require("../model/monitor");
 
@@ -44,10 +44,7 @@ router.get("/api/status-page/:slug", cache("5 minutes"), async (request, respons
         let statusPageData = await StatusPage.getStatusPageData(statusPage);
 
         if (!statusPageData) {
-            response.statusCode = 404;
-            response.json({
-                msg: "Not Found"
-            });
+            sendHttpError(response, "Not Found");
             return;
         }
 
@@ -55,7 +52,7 @@ router.get("/api/status-page/:slug", cache("5 minutes"), async (request, respons
         response.json(statusPageData);
 
     } catch (error) {
-        send403(response, error.message);
+        sendHttpError(response, error.message);
     }
 });
 
@@ -103,7 +100,7 @@ router.get("/api/status-page/heartbeat/:slug", cache("1 minutes"), async (reques
         });
 
     } catch (error) {
-        send403(response, error.message);
+        sendHttpError(response, error.message);
     }
 });
 
@@ -119,10 +116,7 @@ router.get("/api/status-page/:slug/manifest.json", cache("1440 minutes"), async
         ]);
 
         if (!statusPage) {
-            response.statusCode = 404;
-            response.json({
-                msg: "Not Found"
-            });
+            sendHttpError(response, "Not Found");
             return;
         }
 
@@ -141,7 +135,7 @@ router.get("/api/status-page/:slug/manifest.json", cache("1440 minutes"), async
         });
 
     } catch (error) {
-        send403(response, error.message);
+        sendHttpError(response, error.message);
     }
 });
 
diff --git a/server/util-server.js b/server/util-server.js
index edce28901..c83c8cd12 100644
--- a/server/util-server.js
+++ b/server/util-server.js
@@ -730,15 +730,27 @@ exports.filterAndJoin = (parts, connector = "") => {
 };
 
 /**
- * Send a 403 response
+ * Send an Error response
  * @param {Object} res Express response object
  * @param {string} [msg=""] Message to send
  */
-module.exports.send403 = (res, msg = "") => {
-    res.status(403).json({
-        "status": "fail",
-        "msg": msg,
-    });
+module.exports.sendHttpError = (res, msg = "") => {
+    if (msg.includes("SQLITE_BUSY") || msg.includes("SQLITE_LOCKED")) {
+        res.status(503).json({
+            "status": "fail",
+            "msg": msg,
+        });
+    } else if (msg.toLowerCase().includes("not found")) {
+        res.status(404).json({
+            "status": "fail",
+            "msg": msg,
+        });
+    } else {
+        res.status(403).json({
+            "status": "fail",
+            "msg": msg,
+        });
+    }
 };
 
 function timeObjectConvertTimezone(obj, timezone, timeObjectToUTC = true) {