diff --git a/java/java-psi-api/src/com/intellij/psi/util/RedundantCastUtil.java b/java/java-psi-api/src/com/intellij/psi/util/RedundantCastUtil.java
index 1c99e3e592e9..01523ca39f00 100644
--- a/java/java-psi-api/src/com/intellij/psi/util/RedundantCastUtil.java
+++ b/java/java-psi-api/src/com/intellij/psi/util/RedundantCastUtil.java
@@ -371,7 +371,7 @@ public class RedundantCastUtil {
             final PsiExpressionList argList = newCall.getArgumentList();
             LOG.assertTrue(argList != null);
             PsiExpression[] newArgs = argList.getExpressions();
-            LOG.assertTrue(newArgs.length == args.length, "oldCall: " + expression.getText() + "; newCall: " + newCall.getText());
+            LOG.assertTrue(newArgs.length == args.length, "oldCall: " + expression.getText() + "; old length: " + args.length + "; newCall: " + newCall.getText() + "; new length: " + newArgs.length);
             PsiTypeCastExpression castExpression = (PsiTypeCastExpression) deparenthesizeExpression(newArgs[i]);
             final PsiTypeElement castTypeElement = cast.getCastType();
             final PsiType castType = castTypeElement != null ? castTypeElement.getType() : null;