diff --git a/xml/xml-analysis-impl/src/com/intellij/codeInspection/htmlInspections/HtmlUnknownAttributeInspectionBase.java b/xml/xml-analysis-impl/src/com/intellij/codeInspection/htmlInspections/HtmlUnknownAttributeInspectionBase.java
index 24c5ae62af96..fccab3aa3cdc 100644
--- a/xml/xml-analysis-impl/src/com/intellij/codeInspection/htmlInspections/HtmlUnknownAttributeInspectionBase.java
+++ b/xml/xml-analysis-impl/src/com/intellij/codeInspection/htmlInspections/HtmlUnknownAttributeInspectionBase.java
@@ -127,7 +127,8 @@ public class HtmlUnknownAttributeInspectionBase extends HtmlUnknownElementInspec
     for (XmlUnknownAttributeQuickFixProvider fixProvider : XmlUnknownAttributeQuickFixProvider.EP_NAME.getExtensionList()) {
       quickfixes.addAll(fixProvider.getOrRegisterAttributeFixes(tag, name, holder, isFixRequired));
       var providerHighlightType = fixProvider.getProblemHighlightType(tag);
-      if (providerHighlightType != ProblemHighlightType.GENERIC_ERROR_OR_WARNING) {
+      if (highlightType == ProblemHighlightType.GENERIC_ERROR_OR_WARNING
+          && providerHighlightType != ProblemHighlightType.GENERIC_ERROR_OR_WARNING) {
         highlightType = providerHighlightType;
       }
     }