diff --git a/pkgs/by-name/ta/taterclient-ddnet/client_log_format_security.patch b/pkgs/by-name/ta/taterclient-ddnet/client_log_format_security.patch
new file mode 100644
index 000000000000..9d0c56170162
--- /dev/null
+++ b/pkgs/by-name/ta/taterclient-ddnet/client_log_format_security.patch
@@ -0,0 +1,13 @@
+diff --git a/src/engine/client/client.cpp.orig b/src/engine/client/client.cpp
+index ab70b3c..9e25353 100644
+--- a/src/engine/client/client.cpp.orig
++++ b/src/engine/client/client.cpp
+@@ -4933,7 +4933,7 @@ int main(int argc, const char **argv)
+ 		{
+ 			char aError[2048];
+ 			snprintf(aError, sizeof(aError), "Failed to load config from '%s'.", s_aConfigDomains[ConfigDomain].m_aConfigPath);
+-			log_error("client", aError);
++			log_error("client", "%s", aError);
+ 			pClient->ShowMessageBox("Config File Error", aError);
+ 			PerformAllCleanup();
+ 			return -1;
diff --git a/pkgs/by-name/ta/taterclient-ddnet/package.nix b/pkgs/by-name/ta/taterclient-ddnet/package.nix
index 836ddc58a945..76a01e1b4b62 100644
--- a/pkgs/by-name/ta/taterclient-ddnet/package.nix
+++ b/pkgs/by-name/ta/taterclient-ddnet/package.nix
@@ -26,7 +26,6 @@
   vulkan-loader,
   glslang,
   spirv-tools,
-  gtest,
   glew,
 }:
 let
@@ -34,13 +33,13 @@ let
 in
 stdenv.mkDerivation (finalAttrs: {
   pname = "taterclient-ddnet";
-  version = "10.1.2";
+  version = "10.3.0";
 
   src = fetchFromGitHub {
     owner = "sjrc6";
     repo = "taterclient-ddnet";
     tag = "V${finalAttrs.version}";
-    hash = "sha256-0N4nzGcmHrWkIFHEREtSBCTHPBE4UI8RmCuRsehX1YU=";
+    hash = "sha256-OEoiUtD87xsXBgAZ65mmfmAJcEvrley3drRX+IJo20s=";
   };
 
   cargoDeps = rustPlatform.fetchCargoVendor {
@@ -59,9 +58,6 @@ stdenv.mkDerivation (finalAttrs: {
     python3
   ];
 
-  nativeCheckInputs = [ gtest ];
-  checkInputs = [ gtest ];
-
   buildInputs = [
     curl
     libnotify
@@ -84,6 +80,10 @@ stdenv.mkDerivation (finalAttrs: {
 
   strictDeps = true;
 
+  patches = [
+    ./client_log_format_security.patch
+  ];
+
   postPatch = ''
     substituteInPlace src/engine/shared/storage.cpp \
       --replace-fail /usr/ $out/
@@ -98,10 +98,11 @@ stdenv.mkDerivation (finalAttrs: {
     (lib.cmakeFeature "CLIENT_EXECUTABLE" clientExecutable)
   ];
 
-  doCheck = true;
-  checkTarget = "run_tests";
-
-  __darwinAllowLocalNetworking = true; # for tests
+  # Since we are not building the server executable, the `run_tests` Makefile target
+  # will not be generated.
+  #
+  # See https://github.com/sjrc6/TaterClient-ddnet/blob/V10.3.0/CMakeLists.txt#L3072
+  doCheck = false;
 
   preFixup = lib.optionalString stdenv.hostPlatform.isDarwin ''
     # Upstream links against <prefix>/lib while it installs this library in <prefix>/lib/ddnet