diff --git a/compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/Fir2IrAnnotationsFromPluginRegistrar.kt b/compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/Fir2IrAnnotationsFromPluginRegistrar.kt
index e2e699ecfcd..186d8665ef0 100644
--- a/compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/Fir2IrAnnotationsFromPluginRegistrar.kt
+++ b/compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/Fir2IrAnnotationsFromPluginRegistrar.kt
@@ -80,7 +80,7 @@ class Fir2IrAnnotationsFromPluginRegistrar(private val components: Fir2IrCompone
             val fileFqName = firFile.packageFqName.child(Name.identifier(firFile.name)).asString()
             val source = declaration.source ?: return emptyList()
             val fileStorage = generatedIrDeclarationsByFileByOffset[fileFqName] ?: return emptyList()
-            return fileStorage[source.startOffset to source.endOffset] ?: emptyList()
+            return fileStorage[(source.startOffsetSkippingComments() ?: source.startOffset) to source.endOffset] ?: emptyList()
         }
 
         private fun FirDeclaration.containingFile(): FirFile? {
diff --git a/plugins/fir-plugin-prototype/testData/firLoadK2Compiled/annotationsGeneratedInBackend.fir.k2.klib.txt b/plugins/fir-plugin-prototype/testData/firLoadK2Compiled/annotationsGeneratedInBackend.fir.k2.klib.txt
index 1fe5b9ad434..8b998bb9d20 100644
--- a/plugins/fir-plugin-prototype/testData/firLoadK2Compiled/annotationsGeneratedInBackend.fir.k2.klib.txt
+++ b/plugins/fir-plugin-prototype/testData/firLoadK2Compiled/annotationsGeneratedInBackend.fir.k2.klib.txt
@@ -6,8 +6,8 @@
 
     @R|org/jetbrains/kotlin/fir/plugin/AnnotationToAdd|(booleanValue = Boolean(true), byteValue = Byte(1), charValue = Char(c), doubleValue = Double(4.2), floatValue = Float(2.4), intValue = Int(42), longValue = Long(24), shortValue = Short(7), stringValue = String(OK)) public constructor(@R|org/jetbrains/kotlin/fir/plugin/AnnotationToAdd|(booleanValue = Boolean(true), byteValue = Byte(1), charValue = Char(c), doubleValue = Double(4.2), floatValue = Float(2.4), intValue = Int(42), longValue = Long(24), shortValue = Short(7), stringValue = String(OK)) @R|org/jetbrains/kotlin/fir/plugin/AnnotationToAdd|(booleanValue = Boolean(true), byteValue = Byte(1), charValue = Char(c), doubleValue = Double(4.2), floatValue = Float(2.4), intValue = Int(42), longValue = Long(24), shortValue = Short(7), stringValue = String(OK)) @R|org/jetbrains/kotlin/fir/plugin/AnnotationToAdd|(booleanValue = Boolean(true), byteValue = Byte(1), charValue = Char(c), doubleValue = Double(4.2), floatValue = Float(2.4), intValue = Int(42), longValue = Long(24), shortValue = Short(7), stringValue = String(OK)) @R|org/jetbrains/kotlin/fir/plugin/AnnotationToAdd|(booleanValue = Boolean(true), byteValue = Byte(1), charValue = Char(c), doubleValue = Double(4.2), floatValue = Float(2.4), intValue = Int(42), longValue = Long(24), shortValue = Short(7), stringValue = String(OK)) @R|org/jetbrains/kotlin/fir/plugin/AnnotationToAdd|(booleanValue = Boolean(true), byteValue = Byte(1), charValue = Char(c), doubleValue = Double(4.2), floatValue = Float(2.4), intValue = Int(42), longValue = Long(24), shortValue = Short(7), stringValue = String(OK)) x: R|kotlin/Int|): R|test/Some|
 
-    public final class Derived : R|kotlin/Any| {
-        public constructor(): R|test/Some.Derived|
+    @R|org/jetbrains/kotlin/fir/plugin/AnnotationToAdd|(booleanValue = Boolean(true), byteValue = Byte(1), charValue = Char(c), doubleValue = Double(4.2), floatValue = Float(2.4), intValue = Int(42), longValue = Long(24), shortValue = Short(7), stringValue = String(OK)) @R|org/jetbrains/kotlin/fir/plugin/AnnotationToAdd|(booleanValue = Boolean(true), byteValue = Byte(1), charValue = Char(c), doubleValue = Double(4.2), floatValue = Float(2.4), intValue = Int(42), longValue = Long(24), shortValue = Short(7), stringValue = String(OK)) @R|org/jetbrains/kotlin/fir/plugin/AnnotationToAdd|(booleanValue = Boolean(true), byteValue = Byte(1), charValue = Char(c), doubleValue = Double(4.2), floatValue = Float(2.4), intValue = Int(42), longValue = Long(24), shortValue = Short(7), stringValue = String(OK)) public final class Derived : R|kotlin/Any| {
+        @R|org/jetbrains/kotlin/fir/plugin/AnnotationToAdd|(booleanValue = Boolean(true), byteValue = Byte(1), charValue = Char(c), doubleValue = Double(4.2), floatValue = Float(2.4), intValue = Int(42), longValue = Long(24), shortValue = Short(7), stringValue = String(OK)) @R|org/jetbrains/kotlin/fir/plugin/AnnotationToAdd|(booleanValue = Boolean(true), byteValue = Byte(1), charValue = Char(c), doubleValue = Double(4.2), floatValue = Float(2.4), intValue = Int(42), longValue = Long(24), shortValue = Short(7), stringValue = String(OK)) @R|org/jetbrains/kotlin/fir/plugin/AnnotationToAdd|(booleanValue = Boolean(true), byteValue = Byte(1), charValue = Char(c), doubleValue = Double(4.2), floatValue = Float(2.4), intValue = Int(42), longValue = Long(24), shortValue = Short(7), stringValue = String(OK)) public constructor(): R|test/Some.Derived|
 
     }