diff --git a/tidepool/src/builders/basic.nix b/tidepool/src/builders/basic.nix
index 0a939ba..ba2b042 100644
--- a/tidepool/src/builders/basic.nix
+++ b/tidepool/src/builders/basic.nix
@@ -25,7 +25,7 @@ in {
           )
           sorted.result;
 
-        system = package.platform.build;
+        system = package.platform.build.double;
       in
         builtins.derivation (
           package.env
diff --git a/tidepool/src/lib/packages.nix b/tidepool/src/lib/packages.nix
index ca677f2..a2a9959 100644
--- a/tidepool/src/lib/packages.nix
+++ b/tidepool/src/lib/packages.nix
@@ -34,7 +34,7 @@
             platform = {
               build = system;
               host = cross;
-              target = cross;
+              target = lib.modules.override 150 cross;
             };
 
             deps = {
diff --git a/tidepool/src/lib/systems.nix b/tidepool/src/lib/systems.nix
index cc12b17..7f2ae97 100644
--- a/tidepool/src/lib/systems.nix
+++ b/tidepool/src/lib/systems.nix
@@ -1460,8 +1460,8 @@ in {
             lib.strings.when
             (kernel.name == "netbsd" && netbsdExec != kernel.exec)
             kernel.exec.name;
-          abi = lib.strings.when (abi != types.abis.unknown) "-${abi.name}";
-        in "${cpu.name}-${vendor.name}-${kernelName}${exec}${abi}";
+          abi' = lib.strings.when (abi != types.abis.unknown) "-${abi.name}";
+        in "${cpu.name}-${vendor.name}-${kernelName}${exec}${abi'}";
       };
 
       create = components:
diff --git a/tidepool/src/lib/types.nix b/tidepool/src/lib/types.nix
index bb3d00a..8945019 100644
--- a/tidepool/src/lib/types.nix
+++ b/tidepool/src/lib/types.nix
@@ -169,19 +169,43 @@
             build = lib.options.create {
               description = "The build platform for the package.";
               type = lib.types.string;
-              default.value = "unknown";
+              default.value = "x86_64-linux";
+              apply = raw: let
+                system = lib'.systems.from.string raw;
+              in {
+                inherit raw system;
+
+                double = lib'.systems.into.double system;
+                triple = lib'.systems.into.triple system;
+              };
             };
 
             host = lib.options.create {
               description = "The host platform for the package.";
               type = lib.types.string;
-              default.value = "unknown";
+              default.value = "x86_64-linux";
+              apply = raw: let
+                system = lib'.systems.from.string raw;
+              in {
+                inherit raw system;
+
+                double = lib'.systems.into.double system;
+                triple = lib'.systems.into.triple system;
+              };
             };
 
             target = lib.options.create {
               description = "The target platform for the package.";
               type = lib.types.string;
-              default.value = "unknown";
+              default.value = "x86_64-linux";
+              apply = raw: let
+                system = lib'.systems.from.string raw;
+              in {
+                inherit raw system;
+
+                double = lib'.systems.into.double system;
+                triple = lib'.systems.into.triple system;
+              };
             };
           };
 
diff --git a/tidepool/src/packages/aux/foundation.nix b/tidepool/src/packages/aux/foundation.nix
index d61a3d1..2d769e7 100644
--- a/tidepool/src/packages/aux/foundation.nix
+++ b/tidepool/src/packages/aux/foundation.nix
@@ -24,7 +24,7 @@ in {
 
                 phases = {
                   build = ''
-                    make --build ${config.platform.build} --host ${config.platform.host}
+                    make --build ${config.platform.build.double} --host ${config.platform.host.double}
                   '';
 
                   install = lib.dag.entry.after ["build"] ''
diff --git a/tidepool/src/packages/default.nix b/tidepool/src/packages/default.nix
index 49bafa4..555922c 100644
--- a/tidepool/src/packages/default.nix
+++ b/tidepool/src/packages/default.nix
@@ -51,6 +51,7 @@ in {
                   config = {
                     platform = {
                       host = lib.modules.overrides.force system;
+                      target = lib.modules.overrides.default system;
                     };
 
                     deps = {