diff --git a/generator/sections/gen-section-cxl-protocol.c b/generator/sections/gen-section-cxl-protocol.c
index e0570b4..3ff6fbb 100644
--- a/generator/sections/gen-section-cxl-protocol.c
+++ b/generator/sections/gen-section-cxl-protocol.c
@@ -36,7 +36,7 @@
     if (cxl_agent_type == 0)
     {
         for (int i=0; i<3; i++)
-            *(bytes + 20 + i) = 0; //CXL agent address bytes 5-7.
+            *(bytes + 21 + i) = 0; //CXL agent address bytes 5-7.
     }
     
     *(bytes + 34) &= ~0b111; //Device ID byte 10 bits 0-2.