diff --git a/platform/platform-impl/src/com/intellij/openapi/editor/impl/EditorImpl.java b/platform/platform-impl/src/com/intellij/openapi/editor/impl/EditorImpl.java
index 8f2e80d1e4ca..f3b045d0afa7 100644
--- a/platform/platform-impl/src/com/intellij/openapi/editor/impl/EditorImpl.java
+++ b/platform/platform-impl/src/com/intellij/openapi/editor/impl/EditorImpl.java
@@ -4502,6 +4502,9 @@ public final class EditorImpl extends UserDataHolderBase implements EditorEx, Hi
       if (fontSize < MIN_FONT_SIZE) fontSize = MIN_FONT_SIZE;
       if (fontSize > myMaxFontSize) fontSize = myMaxFontSize;
       if (fontSize == myFontSize) return;
+      if (LOG.isDebugEnabled()) {
+        LOG.debug("Font size overridden for " + EditorImpl.this, new Throwable());
+      }
       myFontPreferencesAreSetExplicitly = false;
       myFontSize = fontSize;
       reinitFontsAndSettings();
@@ -4517,6 +4520,9 @@ public final class EditorImpl extends UserDataHolderBase implements EditorEx, Hi
     @Override
     public void setFontPreferences(@NotNull FontPreferences preferences) {
       if (myFontPreferencesAreSetExplicitly && Comparing.equal(preferences, myFontPreferences)) return;
+      if (LOG.isDebugEnabled()) {
+        LOG.debug("Font preferences overridden for " + EditorImpl.this, new Throwable());
+      }
       myFontPreferencesAreSetExplicitly = true;
       myFaceName = null;
       myFontSize = -1;
@@ -4552,6 +4558,9 @@ public final class EditorImpl extends UserDataHolderBase implements EditorEx, Hi
     @Override
     public void setEditorFontName(String fontName) {
       if (Objects.equals(fontName, myFaceName)) return;
+      if (LOG.isDebugEnabled()) {
+        LOG.debug("Font name overridden for " + EditorImpl.this, new Throwable());
+      }
       myFontPreferencesAreSetExplicitly = false;
       myFaceName = fontName;
       reinitFontsAndSettings();
@@ -4896,6 +4905,11 @@ public final class EditorImpl extends UserDataHolderBase implements EditorEx, Hi
     myInlayModel.validateState();
   }
 
+  @Override
+  public String toString() {
+    return "EditorImpl[" + FileDocumentManager.getInstance().getFile(myDocument) + "]";
+  }
+
   private class DefaultPopupHandler extends ContextMenuPopupHandler {
     @Nullable
     @Override