diff --git a/web/.env b/web/.env
index 62c225a5e..97c813de8 100644
--- a/web/.env
+++ b/web/.env
@@ -783,6 +783,14 @@ QUOTA_WARNING_THRESHOLD=75%
 #
 QUOTA_CRITICAL_THRESHOLD=95%
 
+# Services that have been running for too long are displayed on the "My Services" page 
+# with a warning alerting the user that the service has been running for "too long".  
+# This parameter allows you to define what "too long" means in your Onyxia instance.  
+#
+# Default: 168 hours (7 days)
+#
+RUNNING_TIME_THRESHOLD_HOURS=168
+
 # This parameter controls if the configurations tabs should be expanded by default
 # when the user navigates to the launcher page:  
 # https://github.com/InseeFrLab/onyxia/assets/6702424/a1c5597e-82e5-4532-8a9f-ed3ab7cc1d45  
diff --git a/web/src/env.ts b/web/src/env.ts
index f16da1f42..c4e3ac755 100644
--- a/web/src/env.ts
+++ b/web/src/env.ts
@@ -117,7 +117,7 @@ export const { env, injectTransferableEnvsInQueryParams } = createParsedEnvs([
         envName: "SPLASHSCREEN_LOGO_SCALE_FACTOR",
         isUsedInKeycloakTheme: false,
         validateAndParseOrGetDefault: ({ envValue, envName }) => {
-            assert(envValue !== "Should have default in .env");
+            assert(envValue !== "", "Should have default in .env");
 
             const parsedValue = Number(envValue);
 
@@ -1097,6 +1097,19 @@ export const { env, injectTransferableEnvsInQueryParams } = createParsedEnvs([
             return n / 100;
         }
     },
+    {
+        envName: "RUNNING_TIME_THRESHOLD_HOURS",
+        isUsedInKeycloakTheme: false,
+        validateAndParseOrGetDefault: ({ envValue, envName }) => {
+            assert(envValue !== "", "Should have default in .env");
+
+            const parsedValue = Number(envValue);
+
+            assert(!isNaN(parsedValue), `${envName} is not a number`);
+
+            return parsedValue;
+        }
+    },
     {
         envName: "QUOTA_CRITICAL_THRESHOLD",
         isUsedInKeycloakTheme: false,
diff --git a/web/src/ui/pages/myServices/MyServicesCards/MyServicesCard/MyServicesCard.tsx b/web/src/ui/pages/myServices/MyServicesCards/MyServicesCard/MyServicesCard.tsx
index 319862d11..929a7b5d5 100644
--- a/web/src/ui/pages/myServices/MyServicesCards/MyServicesCard/MyServicesCard.tsx
+++ b/web/src/ui/pages/myServices/MyServicesCards/MyServicesCard/MyServicesCard.tsx
@@ -21,13 +21,14 @@ import type { Service } from "core/usecases/serviceManagement";
 import { assert, type Equals } from "tsafe/assert";
 import { TextField, TextFieldProps } from "onyxia-ui/TextField";
 import MuiLink from "@mui/material/Link";
+import { env } from "env";
 
-const runningTimeThreshold = 7 * 24 * 3600 * 1000;
+const THRESHOLD_MS = 1000 * 60 * 60 * env.RUNNING_TIME_THRESHOLD_HOURS;
 
 function getDoesHaveBeenRunningForTooLong(params: { startTime: number }): boolean {
     const { startTime } = params;
 
-    return Date.now() - startTime > runningTimeThreshold;
+    return Date.now() - startTime > THRESHOLD_MS;
 }
 
 export type Props = {
diff --git a/web/src/vite-env.d.ts b/web/src/vite-env.d.ts
index f53f9c4eb..066ffd259 100644
--- a/web/src/vite-env.d.ts
+++ b/web/src/vite-env.d.ts
@@ -52,6 +52,7 @@ type ImportMetaEnv = {
   SAMPLE_DATASET_URL: string
   QUOTA_WARNING_THRESHOLD: string
   QUOTA_CRITICAL_THRESHOLD: string
+  RUNNING_TIME_THRESHOLD_HOURS: string
   SERVICE_CONFIGURATION_EXPANDED_BY_DEFAULT: string
   S3_DOCUMENTATION_LINK: string
   VAULT_DOCUMENTATION_LINK: string