diff --git a/libpldmresponder/bios_config.cpp b/libpldmresponder/bios_config.cpp
index f79984a..ae05652 100644
--- a/libpldmresponder/bios_config.cpp
+++ b/libpldmresponder/bios_config.cpp
@@ -268,7 +268,7 @@
         if (!biosAttributes.empty())
         {
             readonlyStatus =
-                biosAttributes[attrHandle / biosAttributes.size()]->readOnly;
+                biosAttributes[attrHandle % biosAttributes.size()]->readOnly;
         }
 
         switch (attrType)