diff --git a/lib/systems/inspect.nix b/lib/systems/inspect.nix
index 2fba95aa1a67..718954e0839a 100644
--- a/lib/systems/inspect.nix
+++ b/lib/systems/inspect.nix
@@ -56,6 +56,7 @@ rec {
     isNone         = { kernel = kernels.none; };
 
     isAndroid      = [ { abi = abis.android; } { abi = abis.androideabi; } ];
+    isGnu          = with abis; map (a: { abi = a; }) [ gnuabi64 gnu gnueabi gnueabihf ];
     isMusl         = with abis; map (a: { abi = a; }) [ musl musleabi musleabihf ];
     isUClibc       = with abis; map (a: { abi = a; }) [ uclibc uclibceabi uclibceabihf ];