diff --git a/distribution/changelog.txt b/distribution/changelog.txt
index cd625079cd..1db6f007a3 100644
--- a/distribution/changelog.txt
+++ b/distribution/changelog.txt
@@ -60,6 +60,7 @@
 - Fix: [#13961] Animation for Guests sliding down Spiral Slide is missing on close zoom levels.
 - Fix: [#14012] 'Finish 5 roller coasters' goal is listed incorrectly in scenario selector.
 - Fix: [#14095] Holding down [-][+] buttons does not decrease/increase number of circuits.
+- Fix: [#14225] Desync when “allow early scenario completion” is enabled.
 - Fix: [#14247] Scenarios from RCT1 allow hiring too many staff.
 - Improved: [#6022] Allow up to 128 ride objects to be selected in track designer.
 - Improved: [#12917] Changed peep movement so that they stay more spread out over the full width of single tile paths.
diff --git a/src/openrct2/scenario/Scenario.cpp b/src/openrct2/scenario/Scenario.cpp
index 3728741ca5..a4b845ea9a 100644
--- a/src/openrct2/scenario/Scenario.cpp
+++ b/src/openrct2/scenario/Scenario.cpp
@@ -288,6 +288,7 @@ static void scenario_day_update()
 {
     finance_update_daily_profit();
     peep_update_days_in_queue();
+    bool allowEarlyCompletion = gConfigGeneral.allow_early_completion && (network_get_mode() == NETWORK_MODE_NONE);
     switch (gScenarioObjective.Type)
     {
         case OBJECTIVE_10_ROLLERCOASTERS:
@@ -298,7 +299,7 @@ static void scenario_day_update()
             scenario_objective_check();
             break;
         default:
-            if (gConfigGeneral.allow_early_completion)
+            if (allowEarlyCompletion)
                 scenario_objective_check();
             break;
     }
@@ -712,8 +713,9 @@ ObjectiveStatus Objective::CheckGuestsBy() const
 {
     int16_t parkRating = gParkRating;
     int32_t currentMonthYear = gDateMonthsElapsed;
+    bool allowEarlyCompletion = gConfigGeneral.allow_early_completion && (network_get_mode() == NETWORK_MODE_NONE);
 
-    if (currentMonthYear == MONTH_COUNT * Year || gConfigGeneral.allow_early_completion)
+    if (currentMonthYear == MONTH_COUNT * Year || allowEarlyCompletion)
     {
         if (parkRating >= 600 && gNumGuestsInPark >= NumGuests)
         {
@@ -733,8 +735,9 @@ ObjectiveStatus Objective::CheckParkValueBy() const
     int32_t currentMonthYear = gDateMonthsElapsed;
     money32 objectiveParkValue = Currency;
     money32 parkValue = gParkValue;
+    bool allowEarlyCompletion = gConfigGeneral.allow_early_completion && (network_get_mode() == NETWORK_MODE_NONE);
 
-    if (currentMonthYear == MONTH_COUNT * Year || gConfigGeneral.allow_early_completion)
+    if (currentMonthYear == MONTH_COUNT * Year || allowEarlyCompletion)
     {
         if (parkValue >= objectiveParkValue)
         {