diff --git a/compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/IrValidator.kt b/compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/IrValidator.kt
index 158f4fdc105..2753f343f8b 100644
--- a/compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/IrValidator.kt
+++ b/compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/IrValidator.kt
@@ -80,7 +80,7 @@ class IrValidator(val context: CommonBackendContext, val config: IrValidatorConf
         )
 
         if (config.abortOnError) {
-            error("Validation failed")
+            error("Validation failed in file ${currentFile?.name ?: "???"}")
         }
     }