diff --git a/devices/gl-ar750/default.nix b/devices/gl-ar750/default.nix
index 79a6c30..5905a49 100644
--- a/devices/gl-ar750/default.nix
+++ b/devices/gl-ar750/default.nix
@@ -85,7 +85,7 @@
         FEATURE_DD_IBS_OBS = "y"; # ath10k_cal_data needs skip_bytes,fullblock
       };
       hardware = {
-        defaultOutput = "tftpboot";
+        defaultOutput = "flashimage";
         loadAddress = "0x80060000";
         entryPoint  = "0x80060000";
         flash = {
diff --git a/devices/gl-mt300a/default.nix b/devices/gl-mt300a/default.nix
index 3013593..b7b5f5c 100644
--- a/devices/gl-mt300a/default.nix
+++ b/devices/gl-mt300a/default.nix
@@ -28,7 +28,7 @@
       };
      in {
       hardware = {
-        defaultOutput = "tftpboot";
+        defaultOutput = "flashimage";
         loadAddress = "0x80000000";
         entryPoint  = "0x80000000";
 
diff --git a/devices/gl-mt300n-v2/default.nix b/devices/gl-mt300n-v2/default.nix
index 896c9dd..1126e5f 100644
--- a/devices/gl-mt300n-v2/default.nix
+++ b/devices/gl-mt300n-v2/default.nix
@@ -35,7 +35,7 @@
         };
       };
       hardware = {
-        defaultOutput = "tftpboot";
+        defaultOutput = "flashimage";
         loadAddress = "0x80000000";
         entryPoint  = "0x80000000";