diff --git a/js/js.tests/test/org/jetbrains/kotlin/js/test/BasicIrBoxTest.kt b/js/js.tests/test/org/jetbrains/kotlin/js/test/BasicIrBoxTest.kt
index 27ee9439211..2b2ea7209a7 100644
--- a/js/js.tests/test/org/jetbrains/kotlin/js/test/BasicIrBoxTest.kt
+++ b/js/js.tests/test/org/jetbrains/kotlin/js/test/BasicIrBoxTest.kt
@@ -227,7 +227,7 @@ abstract class BasicIrBoxTest(
         // TODO: should we do anything special for module systems?
         // TODO: return list of js from translateFiles and provide then to this function with other js files
 
-        val allFiles = jsFiles.flatMap { file -> cachedDependencies[file]?.let { deps -> deps + file } ?: listOf(file) }
+        val allFiles = jsFiles.flatMap { file -> cachedDependencies[File(file).absolutePath]?.let { deps -> deps + file } ?: listOf(file) }
         testChecker.check(allFiles, testModuleName, testPackage, testFunction, expectedResult, withModuleSystem)
     }
 }