diff --git a/demo/android/EagleDemo/eagle-demo-app/src/main/java/ai/picovoice/eagledemo/MainActivity.java b/demo/android/EagleDemo/eagle-demo-app/src/main/java/ai/picovoice/eagledemo/MainActivity.java
index 1a40f85..1256dd5 100644
--- a/demo/android/EagleDemo/eagle-demo-app/src/main/java/ai/picovoice/eagledemo/MainActivity.java
+++ b/demo/android/EagleDemo/eagle-demo-app/src/main/java/ai/picovoice/eagledemo/MainActivity.java
@@ -114,7 +114,7 @@ private void setUIState(UIState state) {
 
     private void handleEagleException(EagleException e) {
         if (e instanceof EagleInvalidArgumentException) {
-            displayError(String.format(e.getMessage());
+            displayError(e.getMessage());
         } else if (e instanceof EagleActivationException) {
             displayError("AccessKey activation error");
         } else if (e instanceof EagleActivationLimitException) {