diff --git a/server/src/main/java/com/genymobile/scrcpy/EventController.java b/server/src/main/java/com/genymobile/scrcpy/EventController.java
index 87aee61b..9885e04b 100644
--- a/server/src/main/java/com/genymobile/scrcpy/EventController.java
+++ b/server/src/main/java/com/genymobile/scrcpy/EventController.java
@@ -108,6 +108,7 @@ public class EventController {
         int successCount = 0;
         for (char c : text.toCharArray()) {
             if (!injectChar(c)) {
+                Ln.w("Could not inject char u+" + String.format("%04x", (int) c));
                 continue;
             }
             successCount++;