diff --git a/devices/src/interrupt_controller.rs b/devices/src/interrupt_controller.rs
index 92fcf3ba0..957dcb876 100644
--- a/devices/src/interrupt_controller.rs
+++ b/devices/src/interrupt_controller.rs
@@ -18,22 +18,22 @@ pub enum Error {
     InvalidDeliveryMode,
     /// Failed creating the interrupt source group.
     #[error("Failed creating the interrupt source group: {0}")]
-    CreateInterruptSourceGroup(io::Error),
+    CreateInterruptSourceGroup(#[source] io::Error),
     /// Failed triggering the interrupt.
     #[error("Failed triggering the interrupt: {0}")]
-    TriggerInterrupt(io::Error),
+    TriggerInterrupt(#[source] io::Error),
     /// Failed masking the interrupt.
     #[error("Failed masking the interrupt: {0}")]
-    MaskInterrupt(io::Error),
+    MaskInterrupt(#[source] io::Error),
     /// Failed unmasking the interrupt.
     #[error("Failed unmasking the interrupt: {0}")]
-    UnmaskInterrupt(io::Error),
+    UnmaskInterrupt(#[source] io::Error),
     /// Failed updating the interrupt.
     #[error("Failed updating the interrupt: {0}")]
-    UpdateInterrupt(io::Error),
+    UpdateInterrupt(#[source] io::Error),
     /// Failed enabling the interrupt.
     #[error("Failed enabling the interrupt: {0}")]
-    EnableInterrupt(io::Error),
+    EnableInterrupt(#[source] io::Error),
     #[cfg(target_arch = "aarch64")]
     /// Failed creating GIC device.
     #[error("Failed creating GIC device: {0}")]
diff --git a/devices/src/legacy/gpio_pl061.rs b/devices/src/legacy/gpio_pl061.rs
index e69cb62a5..9b2a351b9 100644
--- a/devices/src/legacy/gpio_pl061.rs
+++ b/devices/src/legacy/gpio_pl061.rs
@@ -46,7 +46,7 @@ pub enum Error {
     #[error("GPIO interrupt disabled by guest driver.")]
     GpioInterruptDisabled,
     #[error("Could not trigger GPIO interrupt: {0}.")]
-    GpioInterruptFailure(io::Error),
+    GpioInterruptFailure(#[source] io::Error),
     #[error("Invalid GPIO Input key triggered: {0}.")]
     GpioTriggerKeyFailure(u32),
 }
diff --git a/devices/src/legacy/rtc_pl031.rs b/devices/src/legacy/rtc_pl031.rs
index 0551d7e19..23e8e7854 100644
--- a/devices/src/legacy/rtc_pl031.rs
+++ b/devices/src/legacy/rtc_pl031.rs
@@ -46,7 +46,7 @@ pub enum Error {
     #[error("Bad Write Offset: {0}")]
     BadWriteOffset(u64),
     #[error("Failed to trigger interrupt: {0}")]
-    InterruptFailure(io::Error),
+    InterruptFailure(#[source] io::Error),
 }
 
 type Result<T> = result::Result<T, Error>;
diff --git a/devices/src/legacy/uart_pl011.rs b/devices/src/legacy/uart_pl011.rs
index 84975d6aa..549d6b6a6 100644
--- a/devices/src/legacy/uart_pl011.rs
+++ b/devices/src/legacy/uart_pl011.rs
@@ -54,11 +54,11 @@ pub enum Error {
     #[error("pl011: DMA not implemented.")]
     DmaNotImplemented,
     #[error("Failed to trigger interrupt: {0}")]
-    InterruptFailure(io::Error),
+    InterruptFailure(#[source] io::Error),
     #[error("Failed to write: {0}")]
-    WriteAllFailure(io::Error),
+    WriteAllFailure(#[source] io::Error),
     #[error("Failed to flush: {0}")]
-    FlushFailure(io::Error),
+    FlushFailure(#[source] io::Error),
 }
 
 type Result<T> = result::Result<T, Error>;