diff --git a/external/CMakeLists.txt b/external/CMakeLists.txt
index 533c675..8685fd0 100644
--- a/external/CMakeLists.txt
+++ b/external/CMakeLists.txt
@@ -53,7 +53,7 @@ endif()
 if (NOT TARGET httplib::httplib)
 	FetchContent_Declare(httplib
 		GIT_REPOSITORY https://github.com/yhirose/cpp-httplib.git
-		GIT_TAG v0.19.0
+		GIT_TAG v0.22.0
 		EXCLUDE_FROM_ALL
 	)
 	FetchContent_MakeAvailable(httplib)
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 344cb07..6cc387b 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -20,11 +20,11 @@ target_link_libraries(solanaceae_llama-cpp-web PUBLIC
 
 ########################################
 
-add_executable(test1 EXCLUDE_FROM_ALL
+add_executable(solanaceae_llama-cpp-web_test1 EXCLUDE_FROM_ALL
 	test1.cpp
 )
 
-target_link_libraries(test1 PUBLIC
+target_link_libraries(solanaceae_llama-cpp-web_test1 PUBLIC
 	solanaceae_llama-cpp-web
 )
 
diff --git a/src/solanaceae/llama-cpp-web/llama_cpp_web_impl.cpp b/src/solanaceae/llama-cpp-web/llama_cpp_web_impl.cpp
index 1a94505..30fbfc5 100644
--- a/src/solanaceae/llama-cpp-web/llama_cpp_web_impl.cpp
+++ b/src/solanaceae/llama-cpp-web/llama_cpp_web_impl.cpp
@@ -33,7 +33,10 @@ bool LlamaCppWeb::isGood(void) {
 		res.error() != httplib::Error::Success ||
 		res->status != 200 ||
 		res->body.empty() ||
-		res->get_header_value("Content-Type") != "application/json"
+		(
+		 	res->get_header_value("Content-Type") != "application/json" &&
+			res->get_header_value("Content-Type") != "application/json; charset=utf-8"
+		)
 	) {
 		return false;
 	}
diff --git a/src/test1.cpp b/src/test1.cpp
index dd72335..ee60b9f 100644
--- a/src/test1.cpp
+++ b/src/test1.cpp
@@ -5,13 +5,11 @@
 #include <nlohmann/json.hpp>
 
 #include <iostream>
-#include <random>
 #include <vector>
-#include <chrono>
-#include <cstdint>
 
 int main(void) {
 	SimpleConfigModel scm;
+	scm.set("LlamaCppWeb", "server", std::string_view{"localhost:8081"});
 	LlamaCppWeb lcw{scm};
 
 	if (!lcw.isGood()) {
@@ -30,7 +28,7 @@ int main(void) {
 			{"top_p", 1.0}, // disable
 			{"n_predict", 16},
 			{"stop", {".", "\n"}},
-			{"gramar", ""}
+			{"grammar", ""}
 		})
 		<< "\n";