diff --git a/analysis/analysis-api-fir/src/org/jetbrains/kotlin/analysis/api/fir/renderer/ConeTypeIdeRenderer.kt b/analysis/analysis-api-fir/src/org/jetbrains/kotlin/analysis/api/fir/renderer/ConeTypeIdeRenderer.kt
index 1dd27679eaa..2d05af8860b 100644
--- a/analysis/analysis-api-fir/src/org/jetbrains/kotlin/analysis/api/fir/renderer/ConeTypeIdeRenderer.kt
+++ b/analysis/analysis-api-fir/src/org/jetbrains/kotlin/analysis/api/fir/renderer/ConeTypeIdeRenderer.kt
@@ -218,20 +218,18 @@ internal class ConeTypeIdeRenderer(
         }
 
         val classSymbolToRender = type.lookupTag.toSymbol(session)
-        if (classSymbolToRender == null) {
-            appendError("Unresolved type")
-            return
-        }
+        // To be able to render unresolved types like java.io.Serializable
+        val classId = classSymbolToRender?.classId ?: type.lookupTag.classId
 
-        if (!options.shortQualifiedNames && !classSymbolToRender.classId.isLocal) {
-            val packageName = classSymbolToRender.classId.packageFqName.asString()
+        if (!options.shortQualifiedNames && !classId.isLocal) {
+            val packageName = classId.packageFqName.asString()
             if (packageName.isNotEmpty()) {
                 append(packageName).append(".")
             }
         }
 
         if (classSymbolToRender !is FirRegularClassSymbol) {
-            append(classSymbolToRender.classId.shortClassName)
+            append(classId.shortClassName)
             if (type.typeArguments.any()) {
                 type.typeArguments.joinTo(this, ", ", prefix = "<", postfix = ">") {
                     renderTypeProjection(it)
diff --git a/analysis/analysis-api/testData/referenceResolve/typeParameter/TypeParameterInFunctionLiteral.txt b/analysis/analysis-api/testData/referenceResolve/typeParameter/TypeParameterInFunctionLiteral.txt
index f6e3e1069eb..d99d9e6c059 100644
--- a/analysis/analysis-api/testData/referenceResolve/typeParameter/TypeParameterInFunctionLiteral.txt
+++ b/analysis/analysis-api/testData/referenceResolve/typeParameter/TypeParameterInFunctionLiteral.txt
@@ -1,2 +1,2 @@
 Resolved to:
-0: (in kotlin) class String : kotlin.Comparable<kotlin.String>, kotlin.CharSequence, ERROR_TYPE <Unresolved type>
+0: (in kotlin) class String : kotlin.Comparable<kotlin.String>, kotlin.CharSequence, java.io.Serializable
\ No newline at end of file
diff --git a/analysis/analysis-api/testData/referenceResolve/withErrors/TypeArgumentUnresolvedClass.txt b/analysis/analysis-api/testData/referenceResolve/withErrors/TypeArgumentUnresolvedClass.txt
index f6e3e1069eb..d99d9e6c059 100644
--- a/analysis/analysis-api/testData/referenceResolve/withErrors/TypeArgumentUnresolvedClass.txt
+++ b/analysis/analysis-api/testData/referenceResolve/withErrors/TypeArgumentUnresolvedClass.txt
@@ -1,2 +1,2 @@
 Resolved to:
-0: (in kotlin) class String : kotlin.Comparable<kotlin.String>, kotlin.CharSequence, ERROR_TYPE <Unresolved type>
+0: (in kotlin) class String : kotlin.Comparable<kotlin.String>, kotlin.CharSequence, java.io.Serializable
\ No newline at end of file
diff --git a/analysis/analysis-api/testData/referenceResolve/withErrors/TypeArgumentUnresolvedConstructor.txt b/analysis/analysis-api/testData/referenceResolve/withErrors/TypeArgumentUnresolvedConstructor.txt
index f6e3e1069eb..d99d9e6c059 100644
--- a/analysis/analysis-api/testData/referenceResolve/withErrors/TypeArgumentUnresolvedConstructor.txt
+++ b/analysis/analysis-api/testData/referenceResolve/withErrors/TypeArgumentUnresolvedConstructor.txt
@@ -1,2 +1,2 @@
 Resolved to:
-0: (in kotlin) class String : kotlin.Comparable<kotlin.String>, kotlin.CharSequence, ERROR_TYPE <Unresolved type>
+0: (in kotlin) class String : kotlin.Comparable<kotlin.String>, kotlin.CharSequence, java.io.Serializable
\ No newline at end of file
diff --git a/analysis/analysis-api/testData/referenceResolve/withErrors/TypeArgumentWrongNumber.txt b/analysis/analysis-api/testData/referenceResolve/withErrors/TypeArgumentWrongNumber.txt
index f6e3e1069eb..d99d9e6c059 100644
--- a/analysis/analysis-api/testData/referenceResolve/withErrors/TypeArgumentWrongNumber.txt
+++ b/analysis/analysis-api/testData/referenceResolve/withErrors/TypeArgumentWrongNumber.txt
@@ -1,2 +1,2 @@
 Resolved to:
-0: (in kotlin) class String : kotlin.Comparable<kotlin.String>, kotlin.CharSequence, ERROR_TYPE <Unresolved type>
+0: (in kotlin) class String : kotlin.Comparable<kotlin.String>, kotlin.CharSequence, java.io.Serializable
\ No newline at end of file