diff --git a/src/services/config.ts b/src/services/config.ts
index b17ed954b..b10015aa7 100644
--- a/src/services/config.ts
+++ b/src/services/config.ts
@@ -85,7 +85,7 @@ const config: TriliumConfig = {
             process.env.TRILIUM_SESSION_COOKIEPATH || iniConfig?.Session?.cookiePath || "/",
 
         cookieMaxAge:
-            process.env.TRILIUM_SESSION_COOKIEMAXAGE || iniConfig?.Session?.cookieMaxAge || 21 * 24 * 60 * 60 // 21 Days in Seconds
+            parseInt(String(process.env.TRILIUM_SESSION_COOKIEMAXAGE)) || parseInt(iniConfig?.Session?.cookieMaxAge) || 21 * 24 * 60 * 60 // 21 Days in Seconds
     },
 
     Sync: {