diff --git a/pkgs/by-name/da/dante/package.nix b/pkgs/by-name/da/dante/package.nix
index bf0d9fe10c0e..0f37ff5760b2 100644
--- a/pkgs/by-name/da/dante/package.nix
+++ b/pkgs/by-name/da/dante/package.nix
@@ -37,7 +37,10 @@ stdenv.mkDerivation (finalAttrs: {
     if !stdenv.hostPlatform.isDarwin then
       [ "--with-libc=libc.so.6" ]
     else
-      [ "--with-libc=libc${stdenv.hostPlatform.extensions.sharedLibrary}" ];
+      [
+        "--with-libc=libc${stdenv.hostPlatform.extensions.sharedLibrary}"
+        "CFLAGS=-std=gnu17"
+      ];
 
   dontAddDisableDepTrack = stdenv.hostPlatform.isDarwin;