diff --git a/idea/src/org/jetbrains/jet/codegen/ExpressionCodegen.java b/idea/src/org/jetbrains/jet/codegen/ExpressionCodegen.java
index 045fa9e7999..1a51b3d1a6b 100644
--- a/idea/src/org/jetbrains/jet/codegen/ExpressionCodegen.java
+++ b/idea/src/org/jetbrains/jet/codegen/ExpressionCodegen.java
@@ -141,8 +141,7 @@ public class ExpressionCodegen extends JetVisitor {
         gen(expression.getBody(), Type.VOID_TYPE);
 
         gen(expression.getCondition());
-        unboxBoolean();
-        v.ifne(condition);
+        myStack.pop().condJump(condition, true, v);
 
         v.mark(end);