diff --git a/pkgs/misc/uboot/guruplug.nix b/pkgs/misc/uboot/guruplug.nix
index 258ba999bf8..9f24f1da86a 100644
--- a/pkgs/misc/uboot/guruplug.nix
+++ b/pkgs/misc/uboot/guruplug.nix
@@ -50,4 +50,8 @@ stdenv.mkDerivation {
     mkdir -p $out/bin
     cp tools/{envcrc,mkimage} $out/bin
   '';
+
+  meta = {
+    platforms = [ "armv5tel-linux" ];
+  };
 }
diff --git a/pkgs/misc/uboot/nanonote.nix b/pkgs/misc/uboot/nanonote.nix
index 8b2de80c79b..2783927ef57 100644
--- a/pkgs/misc/uboot/nanonote.nix
+++ b/pkgs/misc/uboot/nanonote.nix
@@ -57,4 +57,8 @@ stdenv.mkDerivation {
     mkdir -p $out/bin
     cp tools/{envcrc,mkimage} $out/bin
   '';
+
+  meta = {
+    platforms = [ "mipsel-linux" ];
+  };
 }
diff --git a/pkgs/misc/uboot/sheevaplug.nix b/pkgs/misc/uboot/sheevaplug.nix
index 4d4f61c40a7..53d811d1a44 100644
--- a/pkgs/misc/uboot/sheevaplug.nix
+++ b/pkgs/misc/uboot/sheevaplug.nix
@@ -54,4 +54,8 @@ stdenv.mkDerivation {
     mkdir -p $out/bin
     cp tools/{envcrc,mkimage} $out/bin
   '';
+
+  meta = {
+    platforms = [ "armv5tel-linux" ];
+  };
 }