diff --git a/pull/src/handler.cc b/pull/src/handler.cc
index 83eb19ea..cec37f33 100644
--- a/pull/src/handler.cc
+++ b/pull/src/handler.cc
@@ -96,7 +96,7 @@ static std::size_t WriteResponse(struct mg_connection* conn,
                                  const std::string& body) {
   mg_printf(conn,
             "HTTP/1.1 200 OK\r\n"
-            "Content-Type: text/plain\r\n");
+            "Content-Type: text/plain; charset=utf-8\r\n");
 
 #ifdef HAVE_ZLIB
   auto acceptsGzip = IsEncodingAccepted(conn, "gzip");
diff --git a/pull/tests/integration/integration_test.cc b/pull/tests/integration/integration_test.cc
index 49c79176..0ac4fd99 100644
--- a/pull/tests/integration/integration_test.cc
+++ b/pull/tests/integration/integration_test.cc
@@ -31,6 +31,7 @@ class IntegrationTest : public testing::Test {
   struct Resonse {
     long code = 0;
     std::string body;
+    std::string contentType;
   };
 
   std::function<void(CURL*)> fetchPrePerform_;
@@ -59,6 +60,12 @@ class IntegrationTest : public testing::Test {
 
     curl_easy_getinfo(curl.get(), CURLINFO_RESPONSE_CODE, &response.code);
 
+    char* ct = nullptr;
+    curl_easy_getinfo(curl.get(), CURLINFO_CONTENT_TYPE, &ct);
+    if (ct) {
+      response.contentType = ct;
+    }
+
     return response;
   }
 
@@ -225,5 +232,17 @@ TEST_F(IntegrationTest, shouldDealWithExpiredCollectables) {
   EXPECT_THAT(metrics.body, Not(HasSubstr(second_counter_name)));
 }
 
+TEST_F(IntegrationTest, shouldSendBodyAsUtf8) {
+  const std::string counter_name = "example_total";
+  auto registry = RegisterSomeCounter(counter_name, default_metrics_path_);
+
+  const auto metrics = FetchMetrics(default_metrics_path_);
+
+  // check content type
+
+  ASSERT_EQ(metrics.code, 200);
+  EXPECT_THAT(metrics.contentType, HasSubstr("utf-8"));
+}
+
 }  // namespace
 }  // namespace prometheus