diff --git a/arch/src/x86_64/mod.rs b/arch/src/x86_64/mod.rs
index 977bf3678..4ee69075e 100644
--- a/arch/src/x86_64/mod.rs
+++ b/arch/src/x86_64/mod.rs
@@ -202,7 +202,7 @@ pub enum Error {
     /// Error retrieving TDX capabilities through the hypervisor (kvm/mshv) API
     #[cfg(feature = "tdx")]
     #[error("Error retrieving TDX capabilities through the hypervisor API: {0}")]
-    TdxCapabilities(HypervisorError),
+    TdxCapabilities(#[source] HypervisorError),
 
     /// Failed to configure E820 map for bzImage
     #[error("Failed to configure E820 map for bzImage")]
diff --git a/arch/src/x86_64/mptable.rs b/arch/src/x86_64/mptable.rs
index 406db7575..490b4ca73 100644
--- a/arch/src/x86_64/mptable.rs
+++ b/arch/src/x86_64/mptable.rs
@@ -60,7 +60,7 @@ pub enum Error {
     AddressOverflow,
     /// Failure while zeroing out the memory for the MP table.
     #[error("Failure while zeroing out the memory for the MP table: {0}")]
-    Clear(GuestMemoryError),
+    Clear(#[source] GuestMemoryError),
     /// Number of CPUs exceeds the maximum supported CPUs
     #[error("Number of CPUs exceeds the maximum supported CPUs")]
     TooManyCpus,