diff --git a/analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/sessions/LLFirSessionProviderStorage.kt b/analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/sessions/LLFirSessionProviderStorage.kt
index d8a950774db..4b1a333a366 100644
--- a/analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/sessions/LLFirSessionProviderStorage.kt
+++ b/analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/sessions/LLFirSessionProviderStorage.kt
@@ -191,7 +191,7 @@ private class FirSessionWithModificationTracker(
 
         val outOfBlockTracker = when (ktModule) {
             is KtSourceModule -> trackerFactory.createModuleWithoutDependenciesOutOfBlockModificationTracker(ktModule)
-            is KtNotUnderContentRootModule -> trackerFactory.createProjectWideOutOfBlockModificationTracker()
+            is KtNotUnderContentRootModule -> ModificationTracker { ktModule.file?.modificationStamp ?: 0 }
             else -> null
         }
         modificationTracker = CompositeModificationTracker.create(