diff --git a/compiler/frontend/src/org/jetbrains/kotlin/resolve/lazy/FileScopeProviderImpl.kt b/compiler/frontend/src/org/jetbrains/kotlin/resolve/lazy/FileScopeProviderImpl.kt
index 70fbde6af40..9e8f7ab2949 100644
--- a/compiler/frontend/src/org/jetbrains/kotlin/resolve/lazy/FileScopeProviderImpl.kt
+++ b/compiler/frontend/src/org/jetbrains/kotlin/resolve/lazy/FileScopeProviderImpl.kt
@@ -64,7 +64,7 @@ open class FileScopeProviderImpl(
 
         val packageView = moduleDescriptor.getPackage(file.packageFqName)
         val packageFragment = topLevelDescriptorProvider.getPackageFragment(file.packageFqName)
-                .sure { "Could not find fragment ${file.packageFqName} for file ${file.name}" }
+                ?: error("Could not find fragment ${file.packageFqName} for file ${file.name}")
 
         fun createImportResolver(indexedImports: IndexedImports, trace: BindingTrace)
                 = LazyImportResolver(storageManager, qualifiedExpressionResolver, moduleDescriptor, indexedImports, aliasImportNames, trace, packageFragment)