diff --git a/pkgs/by-name/sm/sm64coopdx/no-update-check.patch b/pkgs/by-name/sm/sm64coopdx/no-update-check.patch
new file mode 100644
index 000000000000..524efe06cefe
--- /dev/null
+++ b/pkgs/by-name/sm/sm64coopdx/no-update-check.patch
@@ -0,0 +1,12 @@
+diff --git i/src/pc/update_checker.c w/src/pc/update_checker.c
+index e83414106..53909c075 100644
+--- i/src/pc/update_checker.c
++++ w/src/pc/update_checker.c
+@@ -127,6 +127,7 @@ void get_version_remote(void) {
+ }
+ 
+ void check_for_updates(void) {
++    return;
+     LOADING_SCREEN_MUTEX(loading_screen_set_segment_text("Checking For Updates"));
+ 
+     get_version_remote();
diff --git a/pkgs/by-name/sm/sm64coopdx/package.nix b/pkgs/by-name/sm/sm64coopdx/package.nix
index 5b90f2890b97..542048170496 100644
--- a/pkgs/by-name/sm/sm64coopdx/package.nix
+++ b/pkgs/by-name/sm/sm64coopdx/package.nix
@@ -46,6 +46,8 @@ stdenv.mkDerivation (finalAttrs: {
     hash = "sha256-FHH3+pGowkT8asDmU9qxPNDKy4VPKlkA0X7e4gnX9KY=";
   };
 
+  patches = [ ./no-update-check.patch ];
+
   nativeBuildInputs = [ makeWrapper ];
 
   buildInputs = [