diff --git a/Kernel/CommandLine.cpp b/Kernel/CommandLine.cpp
index 890603d576..0e3cc065e7 100644
--- a/Kernel/CommandLine.cpp
+++ b/Kernel/CommandLine.cpp
@@ -112,7 +112,7 @@ UNMAP_AFTER_INIT bool CommandLine::is_vmmouse_enabled() const
 
 UNMAP_AFTER_INIT PCIAccessLevel CommandLine::pci_access_level() const
 {
-    auto value = lookup("pci_ecam"sv).value_or("off"sv);
+    auto value = lookup("pci_ecam"sv).value_or("on"sv);
     if (value == "on"sv)
         return PCIAccessLevel::MemoryAddressing;
     if (value == "off"sv)