diff --git a/distribution/changelog.txt b/distribution/changelog.txt
index cabbc19b4e..6155928b37 100644
--- a/distribution/changelog.txt
+++ b/distribution/changelog.txt
@@ -51,6 +51,7 @@
 - Fix: [#17897] Guest can get stuck on tiles with construction rights outside the park.
 - Fix: [#17905] The chain button in the map window is enabled for rectangular maps when (re)opened.
 - Fix: [#17931] The in-game command ‘count_objects’ crashes the game.
+- Fix: [#17865] With difficult guest generation, tested but unopened rides still contribute to the guest cap.
 - Fix: [#17866] [Plugin] Wrong Soft Guest Cap at start of new game
 
 0.4.1 (2022-07-04)
diff --git a/src/openrct2/world/Park.cpp b/src/openrct2/world/Park.cpp
index c23d7d32d4..4ca6475e86 100644
--- a/src/openrct2/world/Park.cpp
+++ b/src/openrct2/world/Park.cpp
@@ -570,6 +570,8 @@ uint32_t Park::CalculateSuggestedMaxGuests() const
         suggestedMaxGuests = std::min<uint32_t>(suggestedMaxGuests, 1000);
         for (auto& ride : GetRideManager())
         {
+            if (ride.status != RideStatus::Open)
+                continue;
             if (ride.lifecycle_flags & RIDE_LIFECYCLE_CRASHED)
                 continue;
             if (ride.lifecycle_flags & RIDE_LIFECYCLE_BROKEN_DOWN)