diff --git a/li.strolch.agent/src/main/java/li/strolch/service/api/ServiceResult.java b/li.strolch.agent/src/main/java/li/strolch/service/api/ServiceResult.java
index 478b5e221..1f0ff9eba 100644
--- a/li.strolch.agent/src/main/java/li/strolch/service/api/ServiceResult.java
+++ b/li.strolch.agent/src/main/java/li/strolch/service/api/ServiceResult.java
@@ -22,6 +22,7 @@ import static li.strolch.utils.helper.StringHelper.isEmpty;
 import java.util.ResourceBundle;
 
 import com.google.gson.JsonObject;
+import li.strolch.exception.StrolchException;
 import li.strolch.model.i18n.I18nMessageToJsonVisitor;
 import li.strolch.utils.I18nMessage;
 
@@ -200,9 +201,12 @@ public class ServiceResult {
 		if (this.throwable != null) {
 			json.addProperty("exceptionMsg", getExceptionMessageWithCauses(this.throwable, false));
 			json.addProperty("throwable", formatException(this.throwable));
+
+			if (this.throwable instanceof StrolchException && ((StrolchException) this.throwable).hasI18n())
+				json.add("i18n", ((StrolchException) this.throwable).getI18n().accept(new I18nMessageToJsonVisitor()));
 		}
 
-		if (this.i18nMessage != null)
+		if (!json.has("i18n") && this.i18nMessage != null)
 			json.add("i18n", this.i18nMessage.accept(new I18nMessageToJsonVisitor()));
 
 		return json;