diff --git a/compiler/fir/providers/src/org/jetbrains/kotlin/fir/types/TypeUtils.kt b/compiler/fir/providers/src/org/jetbrains/kotlin/fir/types/TypeUtils.kt
index d25f762c56a1f..cc88da54ba6c2 100644
--- a/compiler/fir/providers/src/org/jetbrains/kotlin/fir/types/TypeUtils.kt
+++ b/compiler/fir/providers/src/org/jetbrains/kotlin/fir/types/TypeUtils.kt
@@ -504,10 +504,10 @@ internal fun ConeTypeContext.captureFromExpressionInternal(type: ConeKotlinType)
 
             val lowerIntersectedType =
                 intersectTypes(replaceArgumentsWithCapturedArgumentsByIntersectionComponents(type.lowerBound) ?: return null)
-                    .withNullability(ConeNullability.create(type.lowerBound.isMarkedNullable), this)
+                    .withNullability(ConeNullability.create(type.lowerBound.isNullableType()), this)
             val upperIntersectedType =
                 intersectTypes(replaceArgumentsWithCapturedArgumentsByIntersectionComponents(type.upperBound) ?: return null)
-                    .withNullability(ConeNullability.create(type.upperBound.isMarkedNullable), this)
+                    .withNullability(ConeNullability.create(type.upperBound.isNullableType()), this)
 
             ConeFlexibleType(lowerIntersectedType.coneLowerBoundIfFlexible(), upperIntersectedType.coneUpperBoundIfFlexible())
         }
@@ -515,7 +515,7 @@ internal fun ConeTypeContext.captureFromExpressionInternal(type: ConeKotlinType)
         is ConeSimpleKotlinType -> {
             intersectTypes(
                 replaceArgumentsWithCapturedArgumentsByIntersectionComponents(type) ?: return null
-            ).withNullability(type.isMarkedNullable) as ConeKotlinType
+            ).withNullability(type.isNullableType()) as ConeKotlinType
         }
     }
 }
diff --git a/compiler/tests-spec/testData/diagnostics/notLinked/dfa/pos/11.fir.kt b/compiler/tests-spec/testData/diagnostics/notLinked/dfa/pos/11.fir.kt
index 1d5e999c2a201..adb39e9541992 100644
--- a/compiler/tests-spec/testData/diagnostics/notLinked/dfa/pos/11.fir.kt
+++ b/compiler/tests-spec/testData/diagnostics/notLinked/dfa/pos/11.fir.kt
@@ -60,32 +60,32 @@ fun case_3(a: Int?, b: Float?, c: Double?, d: Boolean?) {
         false -> b
         null -> c
     }.apply {
-        <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number & kotlin.Comparable<kotlin.Nothing>")!>this<!>
-        if (<!SENSELESS_COMPARISON!>this != null<!>) {
-            <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number & kotlin.Comparable<kotlin.Nothing>")!>this<!>
-            <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number & kotlin.Comparable<kotlin.Nothing>")!>this<!>.equals(null)
-            <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number & kotlin.Comparable<kotlin.Nothing>")!>this<!>.propT
-            <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number & kotlin.Comparable<kotlin.Nothing>")!>this<!>.propAny
-            <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number & kotlin.Comparable<kotlin.Nothing>")!>this<!>.propNullableT
-            <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number & kotlin.Comparable<kotlin.Nothing>")!>this<!>.propNullableAny
-            <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number & kotlin.Comparable<kotlin.Nothing>")!>this<!>.funT()
-            <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number & kotlin.Comparable<kotlin.Nothing>")!>this<!>.funAny()
-            <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number & kotlin.Comparable<kotlin.Nothing>")!>this<!>.funNullableT()
-            <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number & kotlin.Comparable<kotlin.Nothing>")!>this<!>.funNullableAny()
+        <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number? & kotlin.Comparable<kotlin.Nothing>?")!>this<!>
+        if (this != null) {
+            <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number? & kotlin.Comparable<kotlin.Nothing>? & kotlin.Number & kotlin.Comparable<kotlin.Nothing>")!>this<!>
+            <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number? & kotlin.Comparable<kotlin.Nothing>? & kotlin.Number & kotlin.Comparable<kotlin.Nothing>")!>this<!>.equals(null)
+            <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number? & kotlin.Comparable<kotlin.Nothing>? & kotlin.Number & kotlin.Comparable<kotlin.Nothing>")!>this<!>.propT
+            <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number? & kotlin.Comparable<kotlin.Nothing>? & kotlin.Number & kotlin.Comparable<kotlin.Nothing>")!>this<!>.propAny
+            <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number? & kotlin.Comparable<kotlin.Nothing>? & kotlin.Number & kotlin.Comparable<kotlin.Nothing>")!>this<!>.propNullableT
+            <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number? & kotlin.Comparable<kotlin.Nothing>? & kotlin.Number & kotlin.Comparable<kotlin.Nothing>")!>this<!>.propNullableAny
+            <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number? & kotlin.Comparable<kotlin.Nothing>? & kotlin.Number & kotlin.Comparable<kotlin.Nothing>")!>this<!>.funT()
+            <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number? & kotlin.Comparable<kotlin.Nothing>? & kotlin.Number & kotlin.Comparable<kotlin.Nothing>")!>this<!>.funAny()
+            <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number? & kotlin.Comparable<kotlin.Nothing>? & kotlin.Number & kotlin.Comparable<kotlin.Nothing>")!>this<!>.funNullableT()
+            <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number? & kotlin.Comparable<kotlin.Nothing>? & kotlin.Number & kotlin.Comparable<kotlin.Nothing>")!>this<!>.funNullableAny()
         }
     }.let {
-        <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number & kotlin.Comparable<kotlin.Nothing>")!>it<!>
-        if (<!SENSELESS_COMPARISON!>it != null<!>) {
-            <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number & kotlin.Comparable<kotlin.Nothing>")!>it<!>
-            <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number & kotlin.Comparable<kotlin.Nothing>")!>it<!>.equals(null)
-            <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number & kotlin.Comparable<kotlin.Nothing>")!>it<!>.propT
-            <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number & kotlin.Comparable<kotlin.Nothing>")!>it<!>.propAny
-            <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number & kotlin.Comparable<kotlin.Nothing>")!>it<!>.propNullableT
-            <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number & kotlin.Comparable<kotlin.Nothing>")!>it<!>.propNullableAny
-            <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number & kotlin.Comparable<kotlin.Nothing>")!>it<!>.funT()
-            <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number & kotlin.Comparable<kotlin.Nothing>")!>it<!>.funAny()
-            <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number & kotlin.Comparable<kotlin.Nothing>")!>it<!>.funNullableT()
-            <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number & kotlin.Comparable<kotlin.Nothing>")!>it<!>.funNullableAny()
+        <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number? & kotlin.Comparable<kotlin.Nothing>?")!>it<!>
+        if (it != null) {
+            <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number? & kotlin.Comparable<kotlin.Nothing>? & kotlin.Number & kotlin.Comparable<kotlin.Nothing>")!>it<!>
+            <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number? & kotlin.Comparable<kotlin.Nothing>? & kotlin.Number & kotlin.Comparable<kotlin.Nothing>")!>it<!>.equals(null)
+            <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number? & kotlin.Comparable<kotlin.Nothing>? & kotlin.Number & kotlin.Comparable<kotlin.Nothing>")!>it<!>.propT
+            <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number? & kotlin.Comparable<kotlin.Nothing>? & kotlin.Number & kotlin.Comparable<kotlin.Nothing>")!>it<!>.propAny
+            <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number? & kotlin.Comparable<kotlin.Nothing>? & kotlin.Number & kotlin.Comparable<kotlin.Nothing>")!>it<!>.propNullableT
+            <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number? & kotlin.Comparable<kotlin.Nothing>? & kotlin.Number & kotlin.Comparable<kotlin.Nothing>")!>it<!>.propNullableAny
+            <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number? & kotlin.Comparable<kotlin.Nothing>? & kotlin.Number & kotlin.Comparable<kotlin.Nothing>")!>it<!>.funT()
+            <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number? & kotlin.Comparable<kotlin.Nothing>? & kotlin.Number & kotlin.Comparable<kotlin.Nothing>")!>it<!>.funAny()
+            <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number? & kotlin.Comparable<kotlin.Nothing>? & kotlin.Number & kotlin.Comparable<kotlin.Nothing>")!>it<!>.funNullableT()
+            <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number? & kotlin.Comparable<kotlin.Nothing>? & kotlin.Number & kotlin.Comparable<kotlin.Nothing>")!>it<!>.funNullableAny()
         }
     }
 }