diff --git a/pkgs/top-level/release-cross.nix b/pkgs/top-level/release-cross.nix
index 93e36360bf9c..ccca912db791 100644
--- a/pkgs/top-level/release-cross.nix
+++ b/pkgs/top-level/release-cross.nix
@@ -84,6 +84,17 @@ let
     buildPackages.binutils = nativePlatforms;
     mpg123 = nativePlatforms;
   };
+
+  # Enabled-but-unsupported platforms for which nix is known to build.
+  # We provide Hydra-built `nixStatic` for these platforms.  This
+  # allows users to bootstrap their own system without either (a)
+  # trusting binaries from a non-Hydra source or (b) having to fight
+  # with their host distribution's versions of nix's numerous
+  # build dependencies.
+  nixCrossStatic = {
+    nixStatic = nativePlatforms;
+  };
+
 in
 
 {
@@ -226,4 +237,8 @@ in
     # attribute, so there is no way to detect this -- we must add it
     # as a special case.
     (builtins.removeAttrs tools ["bootstrapTools"]);
+
+  # Cross-built nixStatic for platforms for enabled-but-unsupported platforms
+  mips64el-nixCrossStatic = mapTestOnCross lib.systems.examples.mips64el-linux-gnuabi64 nixCrossStatic;
+  powerpc64le-nixCrossStatic = mapTestOnCross lib.systems.examples.powernv nixCrossStatic;
 }