diff --git a/nixos/modules/installer/cd-dvd/sd-image-armv7l-multiplatform.nix b/nixos/modules/installer/cd-dvd/sd-image-armv7l-multiplatform.nix
index 036183fe2a0a..715deca02b58 100644
--- a/nixos/modules/installer/cd-dvd/sd-image-armv7l-multiplatform.nix
+++ b/nixos/modules/installer/cd-dvd/sd-image-armv7l-multiplatform.nix
@@ -24,6 +24,7 @@ in
 
   boot.kernelPackages = pkgs.linuxPackages_latest;
   boot.kernelParams = ["console=ttyS0,115200n8" "console=ttymxc0,115200n8" "console=ttyAMA0,115200n8" "console=ttyO0,115200n8" "console=tty0"];
+  boot.consoleLogLevel = 7;
 
   # FIXME: this probably should be in installation-device.nix
   users.extraUsers.root.initialHashedPassword = "";
diff --git a/nixos/modules/installer/cd-dvd/sd-image-raspberrypi.nix b/nixos/modules/installer/cd-dvd/sd-image-raspberrypi.nix
index e7163f10a3c3..dc196468139a 100644
--- a/nixos/modules/installer/cd-dvd/sd-image-raspberrypi.nix
+++ b/nixos/modules/installer/cd-dvd/sd-image-raspberrypi.nix
@@ -26,6 +26,7 @@ in
   boot.loader.generic-extlinux-compatible.enable = true;
 
   boot.kernelPackages = pkgs.linuxPackages_rpi;
+  boot.consoleLogLevel = 7;
 
   # FIXME: this probably should be in installation-device.nix
   users.extraUsers.root.initialHashedPassword = "";