diff --git a/xhcid/src/xhci/event.rs b/xhcid/src/xhci/event.rs
index ae428281a4..309eed226b 100644
--- a/xhcid/src/xhci/event.rs
+++ b/xhcid/src/xhci/event.rs
@@ -6,8 +6,9 @@ use super::trb::Trb;
 #[repr(packed)]
 pub struct EventRingSte {
     pub address: Mmio<u64>,
-    pub size: Mmio<u32>,
-    _rsvd: Mmio<u32>,
+    pub size: Mmio<u16>,
+    _rsvd: Mmio<u16>,
+    _rsvd2: Mmio<u32>,
 }
 
 pub struct EventRing {
@@ -23,7 +24,7 @@ impl EventRing {
         };
 
         ring.ste.address.write(ring.trbs.physical() as u64);
-        ring.ste.size.write(ring.trbs.len() as u32);
+        ring.ste.size.write(ring.trbs.len() as u16);
 
         Ok(ring)
     }
diff --git a/xhcid/src/xhci/mod.rs b/xhcid/src/xhci/mod.rs
index a9c4b3f457..30db7b9a83 100644
--- a/xhcid/src/xhci/mod.rs
+++ b/xhcid/src/xhci/mod.rs
@@ -111,12 +111,12 @@ impl Xhci {
 
         // Set event ring segment table registers
         println!("  - Interrupter 0: {:X}", self.run.ints.as_ptr() as usize);
+        println!("  - Write ERDP");
+        self.run.ints[0].erdp.write(self.cmd.events.trbs.physical() as u64);
         println!("  - Write ERSTZ");
         self.run.ints[0].erstsz.write(1);
         println!("  - Write ERSTBA: {:X}", self.cmd.events.ste.physical() as u64);
         self.run.ints[0].erstba.write(self.cmd.events.ste.physical() as u64);
-        println!("  - Write ERDP");
-        self.run.ints[0].erdp.write(self.cmd.events.trbs.physical() as u64);
 
         // Set run/stop to 1
         println!("  - Start");