diff --git a/pkgs/servers/sql/postgresql/generic.nix b/pkgs/servers/sql/postgresql/generic.nix
index 4d9b1ac95ee1..bd9199c93026 100644
--- a/pkgs/servers/sql/postgresql/generic.nix
+++ b/pkgs/servers/sql/postgresql/generic.nix
@@ -224,7 +224,7 @@ let
         remove-references-to -t ${llvmPackages.llvm.dev} "$out/lib/llvmjit${dlSuffix}"
       '';
 
-    postFixup = lib.optionalString (!stdenv'.isDarwin && stdenv'.hostPlatform.libc == "glibc")
+    postFixup = lib.optionalString stdenv'.hostPlatform.isGnu
       ''
         # initdb needs access to "locale" command from glibc.
         wrapProgram $out/bin/initdb --prefix PATH ":" ${glibc.bin}/bin