diff --git a/compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/Fir2IrDeclarationStorage.kt b/compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/Fir2IrDeclarationStorage.kt
index 3e083dc47b6..bbb15df8a2d 100644
--- a/compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/Fir2IrDeclarationStorage.kt
+++ b/compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/Fir2IrDeclarationStorage.kt
@@ -303,7 +303,7 @@ class Fir2IrDeclarationStorage(
     ): IrValueParameter {
         return irFactory.createValueParameter(
             startOffset, endOffset, IrDeclarationOrigin.DEFINED, IrValueParameterSymbolImpl(),
-            Name.special("<set-?>"), 0, type,
+            SpecialNames.IMPLICIT_SET_PARAMETER, 0, type,
             varargElementType = null,
             isCrossinline = false, isNoinline = false,
             isHidden = false, isAssignable = false
diff --git a/compiler/fir/raw-fir/light-tree2fir/src/org/jetbrains/kotlin/fir/lightTree/converter/DeclarationsConverter.kt b/compiler/fir/raw-fir/light-tree2fir/src/org/jetbrains/kotlin/fir/lightTree/converter/DeclarationsConverter.kt
index f0266aad0c5..2f9ab91efae 100644
--- a/compiler/fir/raw-fir/light-tree2fir/src/org/jetbrains/kotlin/fir/lightTree/converter/DeclarationsConverter.kt
+++ b/compiler/fir/raw-fir/light-tree2fir/src/org/jetbrains/kotlin/fir/lightTree/converter/DeclarationsConverter.kt
@@ -12,7 +12,6 @@ import org.jetbrains.kotlin.*
 import org.jetbrains.kotlin.ElementTypeUtils.isExpression
 import org.jetbrains.kotlin.KtNodeTypes.*
 import org.jetbrains.kotlin.builtins.StandardNames
-import org.jetbrains.kotlin.builtins.StandardNames.DEFAULT_VALUE_PARAMETER
 import org.jetbrains.kotlin.descriptors.ClassKind
 import org.jetbrains.kotlin.descriptors.Modality
 import org.jetbrains.kotlin.descriptors.Visibilities
@@ -1327,7 +1326,7 @@ class DeclarationsConverter(
             moduleData = baseModuleData
             origin = FirDeclarationOrigin.Source
             returnTypeRef = propertyTypeRefToUse
-            symbol = FirValueParameterSymbol(DEFAULT_VALUE_PARAMETER)
+            symbol = FirValueParameterSymbol(SpecialNames.IMPLICIT_SET_PARAMETER)
         }
         var block: LighterASTNode? = null
         var expression: LighterASTNode? = null
diff --git a/compiler/fir/raw-fir/psi2fir/src/org/jetbrains/kotlin/fir/builder/RawFirBuilder.kt b/compiler/fir/raw-fir/psi2fir/src/org/jetbrains/kotlin/fir/builder/RawFirBuilder.kt
index ff10e1e6614..faff7d44eeb 100644
--- a/compiler/fir/raw-fir/psi2fir/src/org/jetbrains/kotlin/fir/builder/RawFirBuilder.kt
+++ b/compiler/fir/raw-fir/psi2fir/src/org/jetbrains/kotlin/fir/builder/RawFirBuilder.kt
@@ -9,7 +9,6 @@ import com.intellij.psi.PsiElement
 import com.intellij.psi.tree.IElementType
 import org.jetbrains.kotlin.*
 import org.jetbrains.kotlin.builtins.StandardNames.BACKING_FIELD
-import org.jetbrains.kotlin.builtins.StandardNames.DEFAULT_VALUE_PARAMETER
 import org.jetbrains.kotlin.descriptors.ClassKind
 import org.jetbrains.kotlin.descriptors.Modality
 import org.jetbrains.kotlin.descriptors.Visibilities
@@ -406,7 +405,7 @@ open class RawFirBuilder(
                                 moduleData = baseModuleData
                                 origin = FirDeclarationOrigin.Source
                                 returnTypeRef = propertyTypeRefToUse
-                                symbol = FirValueParameterSymbol(DEFAULT_VALUE_PARAMETER)
+                                symbol = FirValueParameterSymbol(SpecialNames.IMPLICIT_SET_PARAMETER)
                                 annotations += parameterAnnotationsFromProperty
                             }
                         }
diff --git a/compiler/fir/tree/src/org/jetbrains/kotlin/fir/declarations/impl/FirDefaultPropertyAccessor.kt b/compiler/fir/tree/src/org/jetbrains/kotlin/fir/declarations/impl/FirDefaultPropertyAccessor.kt
index 80e958fb296..73a19294c8a 100644
--- a/compiler/fir/tree/src/org/jetbrains/kotlin/fir/declarations/impl/FirDefaultPropertyAccessor.kt
+++ b/compiler/fir/tree/src/org/jetbrains/kotlin/fir/declarations/impl/FirDefaultPropertyAccessor.kt
@@ -25,6 +25,7 @@ import org.jetbrains.kotlin.fir.symbols.impl.FirValueParameterSymbol
 import org.jetbrains.kotlin.fir.types.ConeSimpleKotlinType
 import org.jetbrains.kotlin.fir.types.FirTypeRef
 import org.jetbrains.kotlin.fir.types.impl.FirImplicitUnitTypeRef
+import org.jetbrains.kotlin.name.SpecialNames
 
 @OptIn(FirImplementationDetail::class)
 abstract class FirDefaultPropertyAccessor(
@@ -143,7 +144,7 @@ class FirDefaultPropertySetter(
             this@builder.moduleData = moduleData
             this@builder.origin = origin
             this@builder.returnTypeRef = propertyTypeRef
-            this@builder.symbol = FirValueParameterSymbol(StandardNames.DEFAULT_VALUE_PARAMETER)
+            this@builder.symbol = FirValueParameterSymbol(SpecialNames.IMPLICIT_SET_PARAMETER)
             this@builder.annotations += parameterAnnotations
         }
     ),