diff --git a/src/main/java/ctbrec/Config.java b/src/main/java/ctbrec/Config.java
index dbfcf1e6..0369b5d1 100644
--- a/src/main/java/ctbrec/Config.java
+++ b/src/main/java/ctbrec/Config.java
@@ -9,6 +9,7 @@ import java.io.FileInputStream;
 import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.nio.file.Files;
+import java.util.Objects;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -81,4 +82,8 @@ public class Config {
         Files.createDirectories(configDir.toPath());
         Files.write(configFile.toPath(), json.getBytes("utf-8"), CREATE, WRITE, TRUNCATE_EXISTING);
     }
+
+    public boolean isServerMode() {
+        return Objects.equals(System.getProperty("ctbrec.server.mode"), "1");
+    }
 }
diff --git a/src/main/java/ctbrec/recorder/server/HttpServer.java b/src/main/java/ctbrec/recorder/server/HttpServer.java
index c6492001..c59f3327 100644
--- a/src/main/java/ctbrec/recorder/server/HttpServer.java
+++ b/src/main/java/ctbrec/recorder/server/HttpServer.java
@@ -26,6 +26,7 @@ public class HttpServer {
     private Server server = new Server();
 
     public HttpServer() throws Exception {
+        System.setProperty("ctbrec.server.mode", "1");
         if(System.getProperty("ctbrec.config") == null) {
             System.setProperty("ctbrec.config", "server.json");
         }