diff --git a/src/openrct2/world/Park.cpp b/src/openrct2/world/Park.cpp
index 8ad736ef7e..af6ec22bea 100644
--- a/src/openrct2/world/Park.cpp
+++ b/src/openrct2/world/Park.cpp
@@ -579,6 +579,10 @@ void Park::Initialise()
 
 void Park::Update()
 {
+    // TODO: move when GameState class is introduced.
+    if (gScreenFlags & (SCREEN_FLAGS_SCENARIO_EDITOR | SCREEN_FLAGS_TRACK_DESIGNER | SCREEN_FLAGS_TRACK_MANAGER))
+        return;
+
     // Every 5 seconds approximately
     if (gCurrentTicks % 512 == 0)
     {