diff --git a/distribution/changelog.txt b/distribution/changelog.txt
index 9895ed673d..2388634dd2 100644
--- a/distribution/changelog.txt
+++ b/distribution/changelog.txt
@@ -1,5 +1,6 @@
 0.4.9 (in development)
 ------------------------------------------------------------------------
+- Fix: [#18963] Research table in parks from Loopy Landscapes is imported incorrectly.
 - Fix: [#20907] RCT1/AA scenarios use the 4-across train for the Inverted Roller Coaster.
 - Fix: [#21332] Mini Helicopters and Monorail Cycles ride types are swapped in research within RCT1 scenarios.
 - Fix: [#21347] Too many options are hidden if the platform has no file picker.
diff --git a/src/openrct2/rct1/RCT1.h b/src/openrct2/rct1/RCT1.h
index 8604a4267e..8390cc9089 100644
--- a/src/openrct2/rct1/RCT1.h
+++ b/src/openrct2/rct1/RCT1.h
@@ -738,8 +738,8 @@ namespace RCT1
         uint8_t Unk199C96[3];
         uint8_t WaterColour;
         uint16_t Unk199C9A;
-        ResearchItem ResearchItemsLL[180];
-        uint8_t Unk19A020[5468];
+        ResearchItem ResearchItemsLL[250];
+        uint8_t Unk19A0D9[5118];
         RCT12Banner Banners[Limits::MaxBanners];
         char StringTable[Limits::MaxUserStrings][Limits::MaxUserStringLength];
         uint32_t GameTimeCounter;
diff --git a/src/openrct2/rct1/S4Importer.cpp b/src/openrct2/rct1/S4Importer.cpp
index a6add95e77..80ca0a4b9f 100644
--- a/src/openrct2/rct1/S4Importer.cpp
+++ b/src/openrct2/rct1/S4Importer.cpp
@@ -451,8 +451,7 @@ namespace RCT1
                         break;
                     case RCT1_RESEARCH_TYPE_VEHICLE:
                         // For some bizarre reason, RCT1 research lists contain vehicles that aren't actually researched.
-                        // Extra bizarrely, this does not seem to apply to Loopy Landscapes saves/scenarios.
-                        if (rideTypeInResearch[researchItem->RelatedRide] || _gameVersion == FILE_VERSION_RCT1_LL)
+                        if (rideTypeInResearch[researchItem->RelatedRide])
                         {
                             AddEntryForVehicleType(static_cast<RideType>(researchItem->RelatedRide), researchItem->Item);
                         }