diff --git a/js/js.config/src/org/jetbrains/kotlin/utils/JsLibraryUtils.kt b/js/js.config/src/org/jetbrains/kotlin/utils/JsLibraryUtils.kt
index 806fcdd2d3a..bdd17e0ad85 100644
--- a/js/js.config/src/org/jetbrains/kotlin/utils/JsLibraryUtils.kt
+++ b/js/js.config/src/org/jetbrains/kotlin/utils/JsLibraryUtils.kt
@@ -32,8 +32,9 @@ object JsLibraryUtils {
         return when {
             isZippedKlib(candidate) -> true
             FileUtil.isJarOrZip(candidate) -> isZippedKlibInZip(candidate)
-            !File(candidate, "manifest").isFile -> false
-            !File(candidate, "ir").isDirectory -> false
+            !candidate.resolve("default").isDirectory -> false
+            !candidate.resolve("default").resolve("manifest").isFile -> false
+            !candidate.resolve("default").resolve("ir").isDirectory -> false
             else -> true
         }
     }
diff --git a/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/tasks/Tasks.kt b/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/tasks/Tasks.kt
index 1166fc9d6e9..541700ffd19 100644
--- a/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/tasks/Tasks.kt
+++ b/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/tasks/Tasks.kt
@@ -56,7 +56,6 @@ import org.jetbrains.kotlin.gradle.utils.*
 import org.jetbrains.kotlin.incremental.ChangedFiles
 import org.jetbrains.kotlin.incremental.ClasspathChanges
 import org.jetbrains.kotlin.incremental.IncrementalCompilerRunner
-import org.jetbrains.kotlin.library.impl.isKotlinLibrary
 import org.jetbrains.kotlin.statistics.metrics.BooleanMetrics
 import org.jetbrains.kotlin.utils.JsLibraryUtils
 import org.jetbrains.kotlin.utils.addToStdlib.cast
@@ -1047,7 +1046,7 @@ abstract class Kotlin2JsCompile @Inject constructor(
         get() = (kotlinOptions as KotlinJsOptionsImpl).sourceMapBaseDirs
 
     private fun isHybridKotlinJsLibrary(file: File): Boolean =
-        JsLibraryUtils.isKotlinJavascriptLibrary(file) && isKotlinLibrary(file)
+        JsLibraryUtils.isKotlinJavascriptLibrary(file) && JsLibraryUtils.isKotlinJavascriptIrLibrary(file)
 
     private fun KotlinJsOptions.isPreIrBackendDisabled(): Boolean =
         listOf(
@@ -1080,7 +1079,7 @@ abstract class Kotlin2JsCompile @Inject constructor(
             if (kotlinOptions.isPreIrBackendDisabled()) {
                 //::isKotlinLibrary
                 // Workaround for KT-47797
-                { isKotlinLibrary(it) }
+                { JsLibraryUtils.isKotlinJavascriptIrLibrary(it) }
             } else {
                 ::isHybridKotlinJsLibrary
             }