diff --git a/compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/utils/NameTables.kt b/compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/utils/NameTables.kt
index 98b95955f22..0ecafeca667 100644
--- a/compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/utils/NameTables.kt
+++ b/compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/utils/NameTables.kt
@@ -143,7 +143,7 @@ class NameTables(packages: List<IrPackageFragment>) {
             parent = parent.parent
         }
 
-        error("Can't find name for declaration $declaration")
+        error("Can't find name for declaration ${declaration.fqNameWhenAvailable}")
     }