diff --git a/platform/platform-impl/src/com/intellij/ui/EditorTextField.java b/platform/platform-impl/src/com/intellij/ui/EditorTextField.java
index 2a6adfe2f35d..b20a27e6fddf 100644
--- a/platform/platform-impl/src/com/intellij/ui/EditorTextField.java
+++ b/platform/platform-impl/src/com/intellij/ui/EditorTextField.java
@@ -468,10 +468,10 @@ public class EditorTextField extends NonOpaquePanel implements DocumentListener,
     editor.setCaretEnabled(!myIsViewer);
     settings.setLineCursorWidth(1);
 
-    if (myProject != null && myIsViewer) {
-      final PsiFile psiFile = PsiDocumentManager.getInstance(myProject).getPsiFile(editor.getDocument());
+    if (myProject != null) {
+      PsiFile psiFile = PsiDocumentManager.getInstance(myProject).getPsiFile(editor.getDocument());
       if (psiFile != null) {
-        DaemonCodeAnalyzer.getInstance(myProject).setHighlightingEnabled(psiFile, false);
+        DaemonCodeAnalyzer.getInstance(myProject).setHighlightingEnabled(psiFile, !myIsViewer);
       }
     }