diff --git a/Mage.Client/src/main/java/mage/client/util/EDTExceptionHandler.java b/Mage.Client/src/main/java/mage/client/util/EDTExceptionHandler.java
index 00f58a4c550..f4d09dd8d2d 100644
--- a/Mage.Client/src/main/java/mage/client/util/EDTExceptionHandler.java
+++ b/Mage.Client/src/main/java/mage/client/util/EDTExceptionHandler.java
@@ -35,7 +35,7 @@ public class EDTExceptionHandler implements Thread.UncaughtExceptionHandler {
                 mainApp.showErrorDialog("CLIENT - unhandled error in GUI", throwable);
                 foundCount++;
             }
-            foundErrors.put(errorKey, foundCount++);
+            foundErrors.put(errorKey, foundCount);
         } catch (Throwable ignore) {
         }
     }