diff --git a/plugins/github/src/org/jetbrains/plugins/github/pullrequest/action/GHPRViewedStateAction.kt b/plugins/github/src/org/jetbrains/plugins/github/pullrequest/action/GHPRViewedStateAction.kt
index a9c0b7b37616..f9ec08f452dd 100644
--- a/plugins/github/src/org/jetbrains/plugins/github/pullrequest/action/GHPRViewedStateAction.kt
+++ b/plugins/github/src/org/jetbrains/plugins/github/pullrequest/action/GHPRViewedStateAction.kt
@@ -25,7 +25,7 @@ internal abstract class GHPRViewedStateAction(
 
     if (!vm.isOnLatest) return
 
-    e.presentation.isEnabledAndVisible = vm.isViewedStateForAllChanges(changes, isViewed)
+    e.presentation.isEnabledAndVisible = vm.isViewedStateForAllChanges(changes, !isViewed)
   }
 
   override fun actionPerformed(e: AnActionEvent) {