diff --git a/compiler/testData/asJava/lightClasses/AnnotatedParameterInInnerClassConstructor.java b/compiler/testData/asJava/lightClasses/AnnotatedParameterInInnerClassConstructor.java
index 09263b278b3..33ba73f3221 100644
--- a/compiler/testData/asJava/lightClasses/AnnotatedParameterInInnerClassConstructor.java
+++ b/compiler/testData/asJava/lightClasses/AnnotatedParameterInInnerClassConstructor.java
@@ -7,6 +7,6 @@ public final class Inner /* test.AnnotatedParameterInInnerClassConstructor.Inner
   public  Inner(@org.jetbrains.annotations.NotNull() @test.Anno(x = "a") java.lang.String, @org.jetbrains.annotations.NotNull() @test.Anno(x = "b") java.lang.String);//  .ctor(java.lang.String, java.lang.String)
 
 }public final class InnerGeneric /* test.AnnotatedParameterInInnerClassConstructor.InnerGeneric*/<T>  {
-  public  InnerGeneric(@test.Anno(x = "a") T, @org.jetbrains.annotations.NotNull() @test.Anno(x = "b") java.lang.String);//  .ctor(T, java.lang.String)
+  public  InnerGeneric(@org.jetbrains.annotations.Nullable() @test.Anno(x = "a") T, @org.jetbrains.annotations.NotNull() @test.Anno(x = "b") java.lang.String);//  .ctor(T, java.lang.String)
 
-}}
\ No newline at end of file
+}}
diff --git a/idea/idea-frontend-fir/src/org/jetbrains/kotlin/idea/frontend/api/fir/types/FirKtType.kt b/idea/idea-frontend-fir/src/org/jetbrains/kotlin/idea/frontend/api/fir/types/FirKtType.kt
index c190ae6b240..c119b846977 100644
--- a/idea/idea-frontend-fir/src/org/jetbrains/kotlin/idea/frontend/api/fir/types/FirKtType.kt
+++ b/idea/idea-frontend-fir/src/org/jetbrains/kotlin/idea/frontend/api/fir/types/FirKtType.kt
@@ -43,7 +43,7 @@ internal class KtFirUsualClassType(
         }
     }
 
-    override val nullability: KtTypeNullability get() = withValidityAssertion { KtTypeNullability.create(coneType.isNullable) }
+    override val nullability: KtTypeNullability get() = withValidityAssertion { KtTypeNullability.create(coneType.canBeNull) }
     override fun asStringForDebugging(): String = withValidityAssertion { coneType.render() }
 }
 
@@ -66,7 +66,7 @@ internal class KtFirFunctionalType(
         }
     }
 
-    override val nullability: KtTypeNullability get() = withValidityAssertion { KtTypeNullability.create(coneType.isNullable) }
+    override val nullability: KtTypeNullability get() = withValidityAssertion { KtTypeNullability.create(coneType.canBeNull) }
 
     override val isSuspend: Boolean get() = withValidityAssertion { coneType.isSuspendFunctionType(builder.rootSession) }
     override val arity: Int
@@ -129,8 +129,6 @@ internal class KtFirDefinitelyNotNullType(
     override fun asStringForDebugging(): String = withValidityAssertion { coneType.render() }
 }
 
-
-
 internal class KtFirTypeParameterType(
     _coneType: ConeTypeParameterType,
     override val token: ValidityToken,
@@ -145,7 +143,7 @@ internal class KtFirTypeParameterType(
             ?: error("Type parameter ${coneType.lookupTag} was not found")
     }
 
-    override val nullability: KtTypeNullability get() = withValidityAssertion { KtTypeNullability.create(coneType.isNullable) }
+    override val nullability: KtTypeNullability get() = withValidityAssertion { KtTypeNullability.create(coneType.canBeNull) }
     override fun asStringForDebugging(): String = withValidityAssertion { coneType.render() }
 }