diff --git a/java/debugger/impl/src/com/intellij/debugger/engine/evaluation/expression/EvaluatorBuilderImpl.java b/java/debugger/impl/src/com/intellij/debugger/engine/evaluation/expression/EvaluatorBuilderImpl.java
index b0a57d5e5b98..62b397e26c01 100644
--- a/java/debugger/impl/src/com/intellij/debugger/engine/evaluation/expression/EvaluatorBuilderImpl.java
+++ b/java/debugger/impl/src/com/intellij/debugger/engine/evaluation/expression/EvaluatorBuilderImpl.java
@@ -500,6 +500,11 @@ public class EvaluatorBuilderImpl implements EvaluatorBuilder {
           }
         }
       }
+      // unary numeric promotion if applicable
+      else if (operation == JavaTokenType.GTGT || operation == JavaTokenType.LTLT || operation == JavaTokenType.GTGTGT) {
+        lResult = handleUnaryNumericPromotion(lType, lResult);
+        rResult = handleUnaryNumericPromotion(rType, rResult);
+      }
 
       return new BinaryExpressionEvaluator(lResult, rResult, operation, expressionExpectedType.getCanonicalText());
     }