diff --git a/Source/Engine/Graphics/Materials/IMaterial.h b/Source/Engine/Graphics/Materials/IMaterial.h
index 23d06589b..cd2b7a1e8 100644
--- a/Source/Engine/Graphics/Materials/IMaterial.h
+++ b/Source/Engine/Graphics/Materials/IMaterial.h
@@ -156,8 +156,8 @@ public:
         /// </summary>
         GPUTextureView* Input = nullptr;
 
-        BindParameters(::GPUContext* context, const ::RenderContext& renderContext);
-        BindParameters(::GPUContext* context, const ::RenderContext& renderContext, const ::DrawCall& drawCall, bool instanced = false);
+        FLAXENGINE_API BindParameters(::GPUContext* context, const ::RenderContext& renderContext);
+        FLAXENGINE_API BindParameters(::GPUContext* context, const ::RenderContext& renderContext, const ::DrawCall& drawCall, bool instanced = false);
 
         // Per-view shared constant buffer (see ViewData in MaterialCommon.hlsl).
         static GPUConstantBuffer* PerViewConstants;