diff --git a/platform/platform-tests/testSrc/com/intellij/openapi/project/ProjectUtilTest.kt b/platform/platform-tests/testSrc/com/intellij/openapi/project/ProjectUtilTest.kt
index 97cb27a492ae..f3eff2deff32 100644
--- a/platform/platform-tests/testSrc/com/intellij/openapi/project/ProjectUtilTest.kt
+++ b/platform/platform-tests/testSrc/com/intellij/openapi/project/ProjectUtilTest.kt
@@ -18,11 +18,13 @@ package com.intellij.openapi.project
 import com.intellij.openapi.application.appSystemDir
 import com.intellij.testFramework.PlatformTestCase
 import com.intellij.testFramework.assertions.Assertions.assertThat
+import java.io.File
 
 class ProjectUtilTest : PlatformTestCase() {
   fun testDoNotUseNameAsHashPrefixForIpr() {
     val cachePath = appSystemDir.relativize(project.getProjectCachePath("foo")).toString()
+    // remove location hash suffix because it is not constant value (depends on machine)
     assertThat(cachePath.substring(0, cachePath.lastIndexOf('.')))
-      .isEqualTo("foo/testdonotusenameashashprefixforipr")
+      .isEqualTo("foo${File.separatorChar}testdonotusenameashashprefixforipr")
   }
 }
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