diff --git a/distribution/changelog.txt b/distribution/changelog.txt
index 08cad25443..6b490a94e1 100644
--- a/distribution/changelog.txt
+++ b/distribution/changelog.txt
@@ -7,6 +7,7 @@
 - Improved: [#25621] Added the Polish Złoty (PLN) to the list of available currencies.
 - Improved: [#25625] Renewing and refurbishing rides now also resets the downtime.
 - Change: [#21912] Toilet income is now categorised as shop sales instead of ride tickets.
+- Change: [#25403] Guests will not slide down the Spiral Slide if it's broken, even if they have already entered the ride structure.
 - Change: [#25485] Make the enlarged pressed swatch sprite more pronounced.
 - Change: [#25544] The default game window size is now 1280×720px instead of 640×480px.
 - Fix: [#9895] Stand-up coaster gets wrong intensity boost from the synchronisation bonus.
diff --git a/src/openrct2/entity/Guest.cpp b/src/openrct2/entity/Guest.cpp
index 81036eddd9..a6879a3e90 100644
--- a/src/openrct2/entity/Guest.cpp
+++ b/src/openrct2/entity/Guest.cpp
@@ -4804,7 +4804,7 @@ void Guest::UpdateRideOnSpiralSlide()
 
                 return;
             case PeepSpiralSlideSubState::prepareToSlide:
-                if (ride->slideInUse)
+                if (ride->slideInUse || ride->lifecycleFlags & RIDE_LIFECYCLE_BROKEN_DOWN)
                     return;
 
                 ride->slideInUse = 1;
diff --git a/src/openrct2/network/NetworkBase.cpp b/src/openrct2/network/NetworkBase.cpp
index d362f28eb9..fea97e716c 100644
--- a/src/openrct2/network/NetworkBase.cpp
+++ b/src/openrct2/network/NetworkBase.cpp
@@ -47,7 +47,7 @@
 // It is used for making sure only compatible builds get connected, even within
 // single OpenRCT2 version.
 
-constexpr uint8_t kStreamVersion = 4;
+constexpr uint8_t kStreamVersion = 5;
 
 const std::string kStreamID = std::string(kOpenRCT2Version) + "-" + std::to_string(kStreamVersion);