diff --git a/pkgs/os-specific/darwin/apple-source-releases/libiconv/default.nix b/pkgs/os-specific/darwin/apple-source-releases/libiconv/default.nix
index 72ef086f5990..6a3bddc211e9 100644
--- a/pkgs/os-specific/darwin/apple-source-releases/libiconv/default.nix
+++ b/pkgs/os-specific/darwin/apple-source-releases/libiconv/default.nix
@@ -32,6 +32,7 @@ appleDerivation {
   ];
 
   meta = {
+    mainProgram = "iconv";
     platforms = lib.platforms.darwin;
   };
 }