diff --git a/Cargo.lock b/Cargo.lock
index d45fbce..2179eac 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2669,7 +2669,7 @@ checksum = "c08d65885ee38876c4f86fa503fb49d7b507c2b62552df7c70b2fce627e06381"
 
 [[package]]
 name = "openpxe"
-version = "0.5.6"
+version = "0.5.7"
 dependencies = [
  "anyhow",
  "axum",
@@ -2691,7 +2691,7 @@ dependencies = [
 
 [[package]]
 name = "openpxe-core"
-version = "0.5.6"
+version = "0.5.7"
 dependencies = [
  "anyhow",
  "base64",
@@ -2718,7 +2718,7 @@ dependencies = [
 
 [[package]]
 name = "openpxe-dhcp-proxy"
-version = "0.5.6"
+version = "0.5.7"
 dependencies = [
  "anyhow",
  "bytes",
@@ -2732,7 +2732,7 @@ dependencies = [
 
 [[package]]
 name = "openpxe-http-api"
-version = "0.5.6"
+version = "0.5.7"
 dependencies = [
  "anyhow",
  "axum",
@@ -2768,7 +2768,7 @@ dependencies = [
 
 [[package]]
 name = "openpxe-ipxe-assets"
-version = "0.5.6"
+version = "0.5.7"
 dependencies = [
  "openpxe-core",
  "rust-embed",
@@ -2778,7 +2778,7 @@ dependencies = [
 
 [[package]]
 name = "openpxe-iso-store"
-version = "0.5.6"
+version = "0.5.7"
 dependencies = [
  "anyhow",
  "bcrypt",
@@ -2807,7 +2807,7 @@ dependencies = [
 
 [[package]]
 name = "openpxe-tftp"
-version = "0.5.6"
+version = "0.5.7"
 dependencies = [
  "anyhow",
  "bytes",
@@ -2821,7 +2821,7 @@ dependencies = [
 
 [[package]]
 name = "openpxe-webui"
-version = "0.5.6"
+version = "0.5.7"
 
 [[package]]
 name = "p256"
diff --git a/Cargo.toml b/Cargo.toml
index c9a34e4..9104191 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -12,7 +12,7 @@ members = [
 ]
 
 [workspace.package]
-version = "0.5.6"
+version = "0.5.7"
 edition = "2021"
 rust-version = "1.95"
 license = "MIT OR Apache-2.0"
diff --git a/crates/http-api/src/ipxe_script.rs b/crates/http-api/src/ipxe_script.rs
index 865d086..0927ac2 100644
--- a/crates/http-api/src/ipxe_script.rs
+++ b/crates/http-api/src/ipxe_script.rs
@@ -61,16 +61,24 @@ pub fn render_menu(isos: &[IsoMeta], settings: &Settings, base_url: &str) -> Str
     // returns a full-screen 1024×768 PNG now — the operator's logo on a
     // dark field, or a default OpenPXE mark when none is uploaded. The
     // `--top 290` reserves the top band (where the logo paints) so the
-    // menu text lands below it. On an iPXE build *with* `IMAGE_PNG` +
-    // `CONSOLE_FRAMEBUFFER` (our x86_64 UEFI binaries, built from source
-    // — see deploy/docker/Dockerfile) this paints the background and
-    // overlays the menu. On a build *without* PNG support (the fetched
-    // BIOS/i386/arm64 binaries) the whole `console --picture …` command
-    // fails and the `|| console` resets to a clean full-screen text
-    // menu. Either way there's no ASCII placeholder anymore.
+    // menu text lands below it.
+    //
+    // v0.5.7: gate the whole command behind `iseq ${platform} efi`.
+    // `console --picture` needs IMAGE_PNG + CONSOLE_FRAMEBUFFER, which
+    // only our from-source UEFI binaries carry (x86_64/arm64 UEFI — see
+    // deploy/docker/Dockerfile). The fetched BIOS `undionly.kpxe` has
+    // neither, and on legacy BIOS the `--picture` attempt misbehaves
+    // *before* the trailing `|| console` fallback can recover (it tries
+    // to set a framebuffer mode the BIOS console can't honour). Guarding
+    // on platform means BIOS clients never issue the command at all —
+    // they drop straight to the plain text menu — while UEFI clients
+    // still get the graphical background. A PNG-less UEFI build (e.g. the
+    // upstream i386-efi baseline) still falls back gracefully through the
+    // same `|| console`. No operator toggle needed; mixed BIOS+UEFI
+    // fleets each get the right treatment automatically.
     let _ = writeln!(
         s,
-        "console --picture {base}/branding/pxe-logo --top 290 || console"
+        "iseq ${{platform}} efi && console --picture {base}/branding/pxe-logo --top 290 || console"
     );
     // Map iPXE's ${{buildarch}} + ${{platform}} into the human form the
     // user asked for (e.g. "x86 BIOS", "x86_64 UEFI", "arm64 UEFI").
diff --git a/crates/http-api/src/snapshots/openpxe_http_api__ipxe_script__password_tests__render_menu_snapshot.snap b/crates/http-api/src/snapshots/openpxe_http_api__ipxe_script__password_tests__render_menu_snapshot.snap
index ad9d05b..37f9371 100644
--- a/crates/http-api/src/snapshots/openpxe_http_api__ipxe_script__password_tests__render_menu_snapshot.snap
+++ b/crates/http-api/src/snapshots/openpxe_http_api__ipxe_script__password_tests__render_menu_snapshot.snap
@@ -7,7 +7,7 @@ expression: rendered
 set base-url http://10.0.0.5
 set esc:hex 1b
 set cls ${esc:string}[2J
-console --picture http://10.0.0.5/branding/pxe-logo --top 290 || console
+iseq ${platform} efi && console --picture http://10.0.0.5/branding/pxe-logo --top 290 || console
 set arch-label ${buildarch} ${platform}
 iseq ${buildarch} i386   && iseq ${platform} pcbios && set arch-label x86 BIOS         || iseq ${buildarch} x86_64 && iseq ${platform} efi    && set arch-label x86_64 UEFI      || iseq ${buildarch} arm64  && iseq ${platform} efi    && set arch-label arm64 UEFI       || true
 :menu