diff --git a/apphandler.cpp b/apphandler.cpp
index 90818a9..cbf7fcf 100644
--- a/apphandler.cpp
+++ b/apphandler.cpp
@@ -88,7 +88,7 @@
 static constexpr const char* cmdMaskStr = "commandMask";
 static constexpr int base_16 = 16;
 #endif // ENABLE_I2C_WHITELIST_CHECK
-static constexpr uint8_t maxIPMIWriteReadSize = 144;
+static constexpr uint8_t maxIPMIWriteReadSize = 255;
 static constexpr uint8_t oemCmdStart = 192;
 static constexpr uint8_t oemCmdEnd = 255;
 static constexpr uint8_t invalidParamSelectorStart = 8;