diff --git a/platform/vcs-impl/src/com/intellij/openapi/vcs/impl/LineStatusTrackerManager.kt b/platform/vcs-impl/src/com/intellij/openapi/vcs/impl/LineStatusTrackerManager.kt
index 173d439ac6f5..8760bfe8ef4a 100644
--- a/platform/vcs-impl/src/com/intellij/openapi/vcs/impl/LineStatusTrackerManager.kt
+++ b/platform/vcs-impl/src/com/intellij/openapi/vcs/impl/LineStatusTrackerManager.kt
@@ -349,8 +349,8 @@ class LineStatusTrackerManager(
 
   private fun canGetBaseRevisionFor(virtualFile: VirtualFile?): Boolean {
     if (isDisposed) return false
-    if (virtualFile == null || virtualFile is LightVirtualFile || !virtualFile.isValid) return false
-    if (virtualFile.fileType.isBinary || FileUtilRt.isTooLarge(virtualFile.length)) return false
+    if (virtualFile == null || virtualFile is LightVirtualFile) return false
+    if (runReadAction { !virtualFile.isValid || virtualFile.fileType.isBinary || FileUtilRt.isTooLarge(virtualFile.length) }) return false
     if (!statusProvider.isSupported(virtualFile)) return false
 
     val status = FileStatusManager.getInstance(project).getStatus(virtualFile)