diff --git a/i2c-vr/mps/mps.hpp b/i2c-vr/mps/mps.hpp
index 25aa9ec..07cac2b 100644
--- a/i2c-vr/mps/mps.hpp
+++ b/i2c-vr/mps/mps.hpp
@@ -68,7 +68,7 @@
     uint8_t page = 0;
     uint8_t addr = 0;
     uint8_t length = 0;
-    std::array<uint8_t, 4> data{};
+    std::array<uint8_t, 8> data{};
 };
 
 struct MPSConfig