diff --git a/java/java-impl/src/com/intellij/codeInspection/ReadWriteStringCanBeUsedInspection.java b/java/java-impl/src/com/intellij/codeInspection/ReadWriteStringCanBeUsedInspection.java
index e3e6cbde6976..5c77a1be31ac 100644
--- a/java/java-impl/src/com/intellij/codeInspection/ReadWriteStringCanBeUsedInspection.java
+++ b/java/java-impl/src/com/intellij/codeInspection/ReadWriteStringCanBeUsedInspection.java
@@ -43,7 +43,7 @@ public class ReadWriteStringCanBeUsedInspection extends AbstractBaseJavaLocalIns
             ProblemHighlightType highlight;
             String message = "Can be replaced with 'Files.writeString()'";
             if (level.isAtLeast(LanguageLevel.JDK_12) || isNonUtf8Charset(bytesExpression.getArgumentList().getExpressions()[0])) {
-              highlight = ProblemHighlightType.WARNING;
+              highlight = ProblemHighlightType.GENERIC_ERROR_OR_WARNING;
             } else {
               highlight = ProblemHighlightType.INFORMATION;
             }
diff --git a/java/java-tests/testData/inspection/filesReadWriteString/afterWriteStringForNameUtf16.java b/java/java-tests/testData/inspection/filesReadWriteString/afterWriteStringForNameUtf16.java
index f9fc1326d063..9c7131a07b67 100644
--- a/java/java-tests/testData/inspection/filesReadWriteString/afterWriteStringForNameUtf16.java
+++ b/java/java-tests/testData/inspection/filesReadWriteString/afterWriteStringForNameUtf16.java
@@ -1,4 +1,4 @@
-// "Replace with 'Files.writeString()'" "WARNING"
+// "Replace with 'Files.writeString()'" "GENERIC_ERROR_OR_WARNING"
 import java.io.IOException;
 import java.nio.charset.StandardCharsets;
 import java.nio.charset.Charset;
diff --git a/java/java-tests/testData/inspection/filesReadWriteString/afterWriteStringUtf16.java b/java/java-tests/testData/inspection/filesReadWriteString/afterWriteStringUtf16.java
index c06360844d71..315d8928cdbb 100644
--- a/java/java-tests/testData/inspection/filesReadWriteString/afterWriteStringUtf16.java
+++ b/java/java-tests/testData/inspection/filesReadWriteString/afterWriteStringUtf16.java
@@ -1,4 +1,4 @@
-// "Replace with 'Files.writeString()'" "WARNING"
+// "Replace with 'Files.writeString()'" "GENERIC_ERROR_OR_WARNING"
 import java.io.IOException;
 import java.nio.charset.StandardCharsets;
 import java.nio.charset.Charset;
diff --git a/java/java-tests/testData/inspection/filesReadWriteString/beforeWriteStringForNameUtf16.java b/java/java-tests/testData/inspection/filesReadWriteString/beforeWriteStringForNameUtf16.java
index 1a02c8c96e0f..89582f176d2f 100644
--- a/java/java-tests/testData/inspection/filesReadWriteString/beforeWriteStringForNameUtf16.java
+++ b/java/java-tests/testData/inspection/filesReadWriteString/beforeWriteStringForNameUtf16.java
@@ -1,4 +1,4 @@
-// "Replace with 'Files.writeString()'" "WARNING"
+// "Replace with 'Files.writeString()'" "GENERIC_ERROR_OR_WARNING"
 import java.io.IOException;
 import java.nio.charset.StandardCharsets;
 import java.nio.charset.Charset;
diff --git a/java/java-tests/testData/inspection/filesReadWriteString/beforeWriteStringUtf16.java b/java/java-tests/testData/inspection/filesReadWriteString/beforeWriteStringUtf16.java
index fce72e2f8c98..aceff5bded03 100644
--- a/java/java-tests/testData/inspection/filesReadWriteString/beforeWriteStringUtf16.java
+++ b/java/java-tests/testData/inspection/filesReadWriteString/beforeWriteStringUtf16.java
@@ -1,4 +1,4 @@
-// "Replace with 'Files.writeString()'" "WARNING"
+// "Replace with 'Files.writeString()'" "GENERIC_ERROR_OR_WARNING"
 import java.io.IOException;
 import java.nio.charset.StandardCharsets;
 import java.nio.charset.Charset;