diff --git a/src/openrct2/interface/InteractiveConsole.cpp b/src/openrct2/interface/InteractiveConsole.cpp
index 29ec47519e..a23c4eee9d 100644
--- a/src/openrct2/interface/InteractiveConsole.cpp
+++ b/src/openrct2/interface/InteractiveConsole.cpp
@@ -1094,8 +1094,11 @@ static int32_t cc_load_object(InteractiveConsole& console, const arguments_t& ar
             for (int32_t j = 0; j < MAX_RIDE_TYPES_PER_RIDE_ENTRY; j++)
             {
                 rideType = rideEntry->ride_type[j];
-                uint8_t category = RideTypeDescriptors[rideType].Category;
-                research_insert_ride_entry(rideType, groupIndex, category, true);
+                if (rideType != RIDE_TYPE_NULL)
+                {
+                    uint8_t category = RideTypeDescriptors[rideType].Category;
+                    research_insert_ride_entry(rideType, groupIndex, category, true);
+                }
             }
 
             gSilentResearch = true;