diff --git a/lib/graphics_engine/include/ge_spm_buffer.hpp b/lib/graphics_engine/include/ge_spm_buffer.hpp
index f4f881da8a7..cccf579c45e 100644
--- a/lib/graphics_engine/include/ge_spm_buffer.hpp
+++ b/lib/graphics_engine/include/ge_spm_buffer.hpp
@@ -107,6 +107,8 @@ class GESPMBuffer : public irr::scene::IMeshBuffer
         return unused;
     }
     // ------------------------------------------------------------------------
+    virtual void setNormal(irr::u32 i, const irr::core::vector3df& normal);
+    // ------------------------------------------------------------------------
     virtual const irr::core::vector2df& getTCoords(irr::u32 i) const
     {
         static irr::core::vector2df unused;
@@ -119,6 +121,8 @@ class GESPMBuffer : public irr::scene::IMeshBuffer
         return unused;
     }
     // ------------------------------------------------------------------------
+    virtual void setTCoords(irr::u32 i, const irr::core::vector2df& tcoords);
+    // ------------------------------------------------------------------------
     virtual irr::scene::E_PRIMITIVE_TYPE getPrimitiveType() const
                                           { return irr::scene::EPT_TRIANGLES; }
     // ------------------------------------------------------------------------
diff --git a/lib/graphics_engine/src/ge_spm_buffer.cpp b/lib/graphics_engine/src/ge_spm_buffer.cpp
index 0dfa2829fa0..fe4f4758adf 100644
--- a/lib/graphics_engine/src/ge_spm_buffer.cpp
+++ b/lib/graphics_engine/src/ge_spm_buffer.cpp
@@ -6,6 +6,8 @@
 
 #include <algorithm>
 
+#include "mini_glm.hpp"
+
 namespace GE
 {
 // ----------------------------------------------------------------------------
@@ -100,4 +102,17 @@ void GESPMBuffer::destroyVertexIndexBuffer()
     m_memory = VK_NULL_HANDLE;
 }   // destroyVertexIndexBuffer
 
+// ----------------------------------------------------------------------------
+void GESPMBuffer::setNormal(u32 i, const core::vector3df& normal)
+{
+    m_vertices[i].m_normal = MiniGLM::compressVector3(normal);
+}   // setNormal
+
+// ----------------------------------------------------------------------------
+void GESPMBuffer::setTCoords(u32 i, const core::vector2df& tcoords)
+{
+    m_vertices[i].m_all_uvs[0] = MiniGLM::toFloat16(tcoords.X);
+    m_vertices[i].m_all_uvs[1] = MiniGLM::toFloat16(tcoords.Y);
+}   // setTCoords
+
 }
diff --git a/lib/irrlicht/include/IMeshBuffer.h b/lib/irrlicht/include/IMeshBuffer.h
index a5a01df58ad..bc7dc567e22 100644
--- a/lib/irrlicht/include/IMeshBuffer.h
+++ b/lib/irrlicht/include/IMeshBuffer.h
@@ -106,12 +106,18 @@ namespace scene
 		//! returns normal of vertex i
 		virtual core::vector3df& getNormal(u32 i) = 0;
 
+		//! set normal of vertex i
+		virtual void setNormal(u32 i, const core::vector3df& normal) { getNormal(i) = normal; }
+
 		//! returns texture coord of vertex i
 		virtual const core::vector2df& getTCoords(u32 i) const = 0;
 
 		//! returns texture coord of vertex i
 		virtual core::vector2df& getTCoords(u32 i) = 0;
 
+		//! set texture coord of vertex i
+		virtual void setTCoords(u32 i, const core::vector2df& tcoords) { getTCoords(i) = tcoords; }
+
 		//! Returns the primitive type of this buffer
 		virtual scene::E_PRIMITIVE_TYPE getPrimitiveType() const = 0;
 
diff --git a/src/graphics/shadow.cpp b/src/graphics/shadow.cpp
index e309ee5d9c1..b64a4c96698 100644
--- a/src/graphics/shadow.cpp
+++ b/src/graphics/shadow.cpp
@@ -67,10 +67,10 @@ Shadow::Shadow(Material* shadow_mat, const AbstractKart& kart)
         scene::SMeshBuffer* buffer = new scene::SMeshBuffer();
         buffer->append(vertices.data(), vertices.size(), indices.data(),
             indices.size());
-        buffer->getTCoords(0) = core::vector2df(0.0f, 0.0f);
-        buffer->getTCoords(1) = core::vector2df(1.0f, 0.0f);
-        buffer->getTCoords(2) = core::vector2df(1.0f, 1.0f);
-        buffer->getTCoords(3) = core::vector2df(0.0f, 1.0f);
+        buffer->setTCoords(0, core::vector2df(0.0f, 0.0f));
+        buffer->setTCoords(1, core::vector2df(1.0f, 0.0f));
+        buffer->setTCoords(2, core::vector2df(1.0f, 1.0f));
+        buffer->setTCoords(3, core::vector2df(0.0f, 1.0f));
         shadow_mat->setMaterialProperties(&buffer->getMaterial(), buffer);
         buffer->getMaterial().setTexture(0, shadow_mat->getTexture());
         buffer->setHardwareMappingHint(scene::EHM_STREAM);
@@ -168,8 +168,8 @@ void Shadow::update(bool enabled)
             up_vector = up_vector * (wi.m_raycastInfo.m_suspensionLength - 0.02f);
             Vec3 pos = kart_trans(position[i]) - up_vector;
             buffer->getPosition(i) = pos.toIrrVector();
-            buffer->getNormal(i) = Vec3(wi.m_raycastInfo.m_contactNormalWS)
-                .toIrrVector();
+            buffer->setNormal(i, Vec3(wi.m_raycastInfo.m_contactNormalWS)
+                .toIrrVector());
         }
         buffer->recalculateBoundingBox();
         mesh->setBoundingBox(buffer->getBoundingBox());