diff --git a/plugins/kapt3/kapt3-compiler/src/org/jetbrains/kotlin/kapt3/Kapt3Plugin.kt b/plugins/kapt3/kapt3-compiler/src/org/jetbrains/kotlin/kapt3/Kapt3Plugin.kt
index c6258f966fc..9f49d51dfa4 100644
--- a/plugins/kapt3/kapt3-compiler/src/org/jetbrains/kotlin/kapt3/Kapt3Plugin.kt
+++ b/plugins/kapt3/kapt3-compiler/src/org/jetbrains/kotlin/kapt3/Kapt3Plugin.kt
@@ -71,7 +71,7 @@ class Kapt3CommandLineProcessor : CommandLineProcessor {
         if (configuration.getBoolean(CommonConfigurationKeys.USE_FIR)) {
             configuration[CLIConfigurationKeys.MESSAGE_COLLECTOR_KEY]?.report(
                 CompilerMessageSeverity.ERROR,
-                "kapt currently doesn't support experimental K2 compiler"
+                "kapt currently doesn't support experimental K2 compiler\nDisable K2 compiler by removing -Xuse-k2 flag"
             )
         }