diff --git a/metropolis/installer/BUILD.bazel b/metropolis/installer/BUILD.bazel
index 0e57108..834dd9a 100644
--- a/metropolis/installer/BUILD.bazel
+++ b/metropolis/installer/BUILD.bazel
@@ -39,7 +39,7 @@
 
 efi_unified_kernel_image(
     name = "kernel",
-    cmdline = "console=ttyS0",
+    cmdline = "console=ttyS0,115200 console=tty0 quiet",
     initramfs = ":initramfs",
     kernel = "//third_party/linux",
     os_release = ":installer-release-info",
diff --git a/metropolis/node/BUILD.bazel b/metropolis/node/BUILD.bazel
index a88e892..f37ed9a 100644
--- a/metropolis/node/BUILD.bazel
+++ b/metropolis/node/BUILD.bazel
@@ -94,7 +94,7 @@
 
 efi_unified_kernel_image(
     name = "kernel_efi",
-    cmdline = "console=ttyS0 root=PARTLABEL=METROPOLIS-SYSTEM rootfstype=erofs init=/init",
+    cmdline = "console=ttyS0,115200 console=tty0 quiet root=PARTLABEL=METROPOLIS-SYSTEM rootfstype=erofs init=/init",
     kernel = "//third_party/linux",
     os_release = ":os-release-info",
 )