diff --git a/compiler/cli/cli-js/src/org/jetbrains/kotlin/cli/js/K2JsIrCompiler.kt b/compiler/cli/cli-js/src/org/jetbrains/kotlin/cli/js/K2JsIrCompiler.kt
index 5ce6638b3bd..eaf9c1b73e3 100644
--- a/compiler/cli/cli-js/src/org/jetbrains/kotlin/cli/js/K2JsIrCompiler.kt
+++ b/compiler/cli/cli-js/src/org/jetbrains/kotlin/cli/js/K2JsIrCompiler.kt
@@ -410,6 +410,7 @@ class K2JsIrCompiler : CLICompiler<K2JSCompilerArguments>() {
                         ir.context,
                         mainCallArguments,
                         relativeRequirePath = true,
+                        moduleToName = ir.moduleFragmentToUniqueName
                     )
 
                     transformer.generateModule(ir.allModules, setOf(TranslationMode.fromFlags(arguments.irDce, arguments.irPerModule)))
@@ -421,6 +422,7 @@ class K2JsIrCompiler : CLICompiler<K2JSCompilerArguments>() {
                         dceJs = arguments.irDce,
                         multiModule = arguments.irPerModule,
                         relativeRequirePath = true,
+                        moduleToName = ir.moduleFragmentToUniqueName
                     )
 
                     transformer.generateModule(ir.allModules)
diff --git a/compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/compiler.kt b/compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/compiler.kt
index 0dfc546b361..3b0cbf10c7f 100644
--- a/compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/compiler.kt
+++ b/compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/compiler.kt
@@ -41,7 +41,8 @@ class CompilationOutputs(
 class LoweredIr(
     val context: JsIrBackendContext,
     val mainModule: IrModuleFragment,
-    val allModules: List<IrModuleFragment>
+    val allModules: List<IrModuleFragment>,
+    val moduleFragmentToUniqueName: Map<IrModuleFragment, String>,
 )
 
 fun compile(
@@ -60,7 +61,7 @@ fun compile(
     icCompatibleIr2Js: Boolean = false,
 ): LoweredIr {
 
-    val (moduleFragment: IrModuleFragment, dependencyModules, irBuiltIns, symbolTable, deserializer) =
+    val (moduleFragment: IrModuleFragment, dependencyModules, irBuiltIns, symbolTable, deserializer, moduleToName) =
         loadIr(depsDescriptors, irFactory, verifySignatures, filesToLower, loadFunctionInterfacesIntoStdlib = true)
 
     return compileIr(
@@ -68,6 +69,7 @@ fun compile(
         depsDescriptors.mainModule,
         depsDescriptors.compilerConfiguration,
         dependencyModules,
+        moduleToName,
         irBuiltIns,
         symbolTable,
         deserializer,
@@ -88,6 +90,7 @@ fun compileIr(
     mainModule: MainModule,
     configuration: CompilerConfiguration,
     dependencyModules: List<IrModuleFragment>,
+    moduleToName: Map<IrModuleFragment, String>,
     irBuiltIns: IrBuiltIns,
     symbolTable: SymbolTable,
     deserializer: JsIrLinker,
@@ -147,7 +150,7 @@ fun compileIr(
         lowerPreservingTags(allModules, context, phaseConfig, it)
     } ?: jsPhases.invokeToplevel(phaseConfig, context, allModules)
 
-    return LoweredIr(context, moduleFragment, allModules)
+    return LoweredIr(context, moduleFragment, allModules, moduleToName)
 }
 
 fun generateJsCode(
diff --git a/compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/transformers/irToJs/IrModuleToJsTransformerTmp.kt b/compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/transformers/irToJs/IrModuleToJsTransformerTmp.kt
index eccbd26de31..5a0c9e59130 100644
--- a/compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/transformers/irToJs/IrModuleToJsTransformerTmp.kt
+++ b/compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/transformers/irToJs/IrModuleToJsTransformerTmp.kt
@@ -331,7 +331,7 @@ fun generateWrappedModuleBody(
         )
 
         val dependencies = others.map { module ->
-            val moduleName = module.moduleName
+            val moduleName = module.externalModuleName
 
             moduleName to generateSingleWrappedModuleBody(
                 moduleName,
diff --git a/compiler/ir/serialization.js/src/org/jetbrains/kotlin/ir/backend/js/klib.kt b/compiler/ir/serialization.js/src/org/jetbrains/kotlin/ir/backend/js/klib.kt
index e0b2e49ef43..356e4df67dd 100644
--- a/compiler/ir/serialization.js/src/org/jetbrains/kotlin/ir/backend/js/klib.kt
+++ b/compiler/ir/serialization.js/src/org/jetbrains/kotlin/ir/backend/js/klib.kt
@@ -244,7 +244,8 @@ data class IrModuleInfo(
     val allDependencies: List<IrModuleFragment>,
     val bultins: IrBuiltIns,
     val symbolTable: SymbolTable,
-    val deserializer: JsIrLinker
+    val deserializer: JsIrLinker,
+    val moduleFragmentToUniqueName: Map<IrModuleFragment, String>,
 )
 
 fun sortDependencies(mapping: Map<KotlinLibrary, ModuleDescriptor>): Collection<KotlinLibrary> {
@@ -390,7 +391,14 @@ fun getIrModuleInfoForKlib(
     ExternalDependenciesGenerator(symbolTable, listOf(irLinker)).generateUnboundSymbolsAsDependencies()
     irLinker.postProcess()
 
-    return IrModuleInfo(moduleFragment, deserializedModuleFragments, irBuiltIns, symbolTable, irLinker)
+    return IrModuleInfo(
+        moduleFragment,
+        deserializedModuleFragments,
+        irBuiltIns,
+        symbolTable,
+        irLinker,
+        deserializedModuleFragmentsToLib.getUniqueNameForEachFragment()
+    )
 }
 
 @OptIn(ObsoleteDescriptorBasedAPI::class)
@@ -457,7 +465,14 @@ fun getIrModuleInfoForSourceFiles(
         irBuiltIns.knownBuiltins.forEach { it.acceptVoid(mangleChecker) }
     }
 
-    return IrModuleInfo(moduleFragment, deserializedModuleFragments, irBuiltIns, symbolTable, irLinker)
+    return IrModuleInfo(
+        moduleFragment,
+        deserializedModuleFragments,
+        irBuiltIns,
+        symbolTable,
+        irLinker,
+        deserializedModuleFragmentsToLib.getUniqueNameForEachFragment()
+    )
 }
 
 fun prepareAnalyzedSourceModule(
@@ -830,3 +845,11 @@ private fun KlibMetadataIncrementalSerializer(configuration: CompilerConfigurati
         skipExpects = !configuration.expectActualLinker,
         allowErrorTypes = allowErrors
     )
+
+private fun Map<IrModuleFragment, KotlinLibrary>.getUniqueNameForEachFragment(): Map<IrModuleFragment, String> {
+    return this.entries.mapNotNull { (moduleFragment, klib) ->
+        klib.manifestProperties.getProperty(KLIB_PROPERTY_JS_OUTPUT_NAME)?.let {
+            moduleFragment to it
+        }
+    }.toMap()
+}
diff --git a/js/js.tests/test/org/jetbrains/kotlin/js/test/converters/JsIrBackendFacade.kt b/js/js.tests/test/org/jetbrains/kotlin/js/test/converters/JsIrBackendFacade.kt
index e71e033d735..f12aeb3bb6c 100644
--- a/js/js.tests/test/org/jetbrains/kotlin/js/test/converters/JsIrBackendFacade.kt
+++ b/js/js.tests/test/org/jetbrains/kotlin/js/test/converters/JsIrBackendFacade.kt
@@ -128,6 +128,7 @@ class JsIrBackendFacade(
             MainModule.Klib(inputArtifact.outputFile.absolutePath),
             configuration,
             dependencyModules,
+            emptyMap(),
             irModuleFragment.irBuiltins,
             symbolTable,
             deserializer,