diff --git a/kitty/data-types.c b/kitty/data-types.c
index 004ec9476..7f934b810 100644
--- a/kitty/data-types.c
+++ b/kitty/data-types.c
@@ -128,8 +128,8 @@ PyInit_fast_data_types(void) {
 #endif
 
 #define OOF(n) #n, offsetof(Cell, n)
-        if (PyModule_AddObject(m, "CELL", Py_BuildValue("{sI sI sI sI sI sI}",
-                    OOF(ch), OOF(fg), OOF(bg), OOF(decoration_fg), OOF(cc), "size", sizeof(Cell))) != 0) return NULL;
+        if (PyModule_AddObject(m, "CELL", Py_BuildValue("{sI sI sI sI sI sI sI sI sI}",
+                    OOF(ch), OOF(fg), OOF(bg), OOF(decoration_fg), OOF(cc), OOF(sprite_x), OOF(sprite_y), OOF(sprite_z), "size", sizeof(Cell))) != 0) return NULL;
 #undef OOF
         PyModule_AddIntConstant(m, "BOLD", BOLD_SHIFT);
         PyModule_AddIntConstant(m, "ITALIC", ITALIC_SHIFT);