diff --git a/devices/src/pci/pci_configuration.rs b/devices/src/pci/pci_configuration.rs
index b93237f221..8654b01717 100644
--- a/devices/src/pci/pci_configuration.rs
+++ b/devices/src/pci/pci_configuration.rs
@@ -24,7 +24,7 @@ const BAR_MEM_MIN_SIZE: u64 = 16;
 const NUM_BAR_REGS: usize = 6;
 const CAPABILITY_LIST_HEAD_OFFSET: usize = 0x34;
 const FIRST_CAPABILITY_OFFSET: usize = 0x40;
-const CAPABILITY_MAX_OFFSET: usize = 192;
+const CAPABILITY_MAX_OFFSET: usize = 255;
 
 const INTERRUPT_LINE_PIN_REG: usize = 15;