diff --git a/distribution/changelog.txt b/distribution/changelog.txt
index 8cb7c34030..b0449b05de 100644
--- a/distribution/changelog.txt
+++ b/distribution/changelog.txt
@@ -15,6 +15,7 @@
 - Fix: [#7784] Vehicle tab takes 1st car colour instead of tab_vehicle's colour.
 - Fix: [#7854] Cannot build a custom spiral roller coaster design.
 - Fix: [#7854] Empty entries in spiral roller coaster designs list.
+- Fix: [#8151] Game freezes upon demolishing mazes at odd heights.
 - Fix: [#8875] RCT1 competition scenarios are classified incorrectly.
 - Fix: [#10176] Mistake in the sprite for the land tool's 6x6 grid.
 - Fix: [#10196] Doors unable to be placed at end of track corners.
diff --git a/src/openrct2/actions/MazeSetTrackAction.hpp b/src/openrct2/actions/MazeSetTrackAction.hpp
index da3923d03f..4e980be78a 100644
--- a/src/openrct2/actions/MazeSetTrackAction.hpp
+++ b/src/openrct2/actions/MazeSetTrackAction.hpp
@@ -86,7 +86,7 @@ public:
             res->ErrorMessage = STR_TILE_ELEMENT_LIMIT_REACHED;
             return res;
         }
-        if ((_loc.z & 0xF) != 0)
+        if ((_loc.z & 0xF) != 0 && _mode == GC_SET_MAZE_TRACK_BUILD)
         {
             res->Error = GA_ERROR::UNKNOWN;
             res->ErrorMessage = STR_CONSTRUCTION_ERR_UNKNOWN;
diff --git a/src/openrct2/network/Network.cpp b/src/openrct2/network/Network.cpp
index d2ac4d1f75..bb9c984e35 100644
--- a/src/openrct2/network/Network.cpp
+++ b/src/openrct2/network/Network.cpp
@@ -31,7 +31,7 @@
 // This string specifies which version of network stream current build uses.
 // It is used for making sure only compatible builds get connected, even within
 // single OpenRCT2 version.
-#define NETWORK_STREAM_VERSION "23"
+#define NETWORK_STREAM_VERSION "24"
 #define NETWORK_STREAM_ID OPENRCT2_VERSION "-" NETWORK_STREAM_VERSION
 
 static Peep* _pickup_peep = nullptr;