diff --git a/source/blender/blenkernel/intern/node.cc b/source/blender/blenkernel/intern/node.cc
index 1ebfb58c53a..6cae6ac5f9d 100644
--- a/source/blender/blenkernel/intern/node.cc
+++ b/source/blender/blenkernel/intern/node.cc
@@ -4428,6 +4428,9 @@ const CPPType *socket_type_to_geo_nodes_base_cpp_type(const eNodeSocketDatatype
     case SOCK_ROTATION:
       cpp_type = &CPPType::get<math::Quaternion>();
       break;
+    case SOCK_MATRIX:
+      cpp_type = &CPPType::get<float4x4>();
+      break;
     default:
       cpp_type = slow_socket_type_to_geo_nodes_base_cpp_type(type);
       break;