diff --git a/.gitea/workflows/build.yaml b/.gitea/workflows/build.yaml
index 5730fc22..48f6ce94 100644
--- a/.gitea/workflows/build.yaml
+++ b/.gitea/workflows/build.yaml
@@ -63,7 +63,7 @@ jobs:
       - name: Build
         run: ANDROID_SDK=$HOME/.android/sdk make -j`nproc` all dist
       - name: Test Debug
-        run: out/debug/tildefriends test
+        run: TF_TEST_AUTO=0 out/debug/tildefriends test
       - name: Docker build
         run: DOCKER_BUILDKIT=1 docker build .
       - name: Upload artifacts
diff --git a/src/tests.c b/src/tests.c
index 49ceb7f7..f58980d2 100644
--- a/src/tests.c
+++ b/src/tests.c
@@ -934,20 +934,34 @@ static void _tf_test_run(const tf_test_options_t* options, const char* name, voi
 		tf_free(dup);
 	}
 
-	if ((!opt_in && !options->tests) || specified)
-	{
 #define GREEN "\e[1;32m"
+#define GRAY "\e[1;90m"
 #define MAGENTA "\e[1;35m"
 #define CYAN "\e[1;36m"
 #define RESET "\e[0m"
+	size_t length = strlen("TF_TEST_") + strlen(name) + 1;
+	char* env_name = alloca(length);
+	snprintf(env_name, length, "TF_TEST_%s", name);
+
+	char buffer[8] = { 0 };
+	size_t buffer_size = sizeof(buffer);
+	bool exclude = uv_os_getenv(env_name, buffer, &buffer_size) == 0 && strcmp(buffer, "0") == 0;
+	if (exclude)
+	{
+		tf_printf("Test " GRAY "%s" RESET " disabled by %s.\n", name, env_name);
+	}
+
+	if (((!opt_in && !options->tests) || specified) && !exclude)
+	{
 		tf_printf(CYAN "== running test " MAGENTA "%s" CYAN " ==" RESET "\n", name);
 		test(options);
 		tf_printf("[" GREEN "pass" RESET "] %s\n", name);
+	}
 #undef GREEN
+#undef GRAY
 #undef MAGENTA
 #undef CYAN
 #undef RESET
-	}
 }
 #endif