diff --git a/java/java-impl-refactorings/src/com/intellij/refactoring/introduceField/BaseExpressionToFieldHandler.java b/java/java-impl-refactorings/src/com/intellij/refactoring/introduceField/BaseExpressionToFieldHandler.java
index bf3cb98bce03..5ac97772a87f 100644
--- a/java/java-impl-refactorings/src/com/intellij/refactoring/introduceField/BaseExpressionToFieldHandler.java
+++ b/java/java-impl-refactorings/src/com/intellij/refactoring/introduceField/BaseExpressionToFieldHandler.java
@@ -792,7 +792,7 @@ public abstract class BaseExpressionToFieldHandler extends IntroduceHandlerBase
         if (includeInitializer) {
           // It's important that we append field before adding the initializer to make sure that the replacement takes into account the
           // context of the file
-          if (myField.getInitializer() == null) throw new IllegalStateException("Field initializer cannot be null");
+          LOG.assertTrue(myField.getInitializer() != null);
           myField.getInitializer().replace(initializer);
         }
         if (!mySettings.isIntroduceEnumConstant()) {