diff --git a/src/openrct2/scripting/bindings/ride/ScRide.hpp b/src/openrct2/scripting/bindings/ride/ScRide.hpp
index aefa164cd6..fdab16479c 100644
--- a/src/openrct2/scripting/bindings/ride/ScRide.hpp
+++ b/src/openrct2/scripting/bindings/ride/ScRide.hpp
@@ -29,7 +29,7 @@ namespace OpenRCT2::Scripting
         return obj.Take();
     }
 
-    template<> TrackColour FromDuk(const DukValue& s)
+    template<> inline TrackColour FromDuk(const DukValue& s)
     {
         TrackColour result{};
         result.main = AsOrDefault(s["main"], 0);
@@ -47,7 +47,7 @@ namespace OpenRCT2::Scripting
         return obj.Take();
     }
 
-    template<> VehicleColour FromDuk(const DukValue& s)
+    template<> inline VehicleColour FromDuk(const DukValue& s)
     {
         VehicleColour result{};
         result.Body = AsOrDefault(s["body"], 0);