diff --git a/src/minisatip.c b/src/minisatip.c
index 90540df60e..5322138b4f 100644
--- a/src/minisatip.c
+++ b/src/minisatip.c
@@ -1583,7 +1583,7 @@ int read_http(sockets *s) {
         int len =
             get_json_state(buf, JSON_STATE_MAXLEN, sbuf, JSON_STRING_MAXLEN);
         http_response(s, 200,
-                      "Content-Type: application/json\r\n"
+                      "Content-Type: application/json; charset=utf-8\r\n"
                       "Connection: close\r\n"
                       "Access-Control-Allow-Origin: *",
                       buf, 0, len);
@@ -1596,7 +1596,7 @@ int read_http(sockets *s) {
         char *buf = _malloc(JSON_BANDWIDTH_MAXLEN);
         int len = get_json_bandwidth(buf, JSON_BANDWIDTH_MAXLEN);
         http_response(s, 200,
-                      "Content-Type: application/json\r\n"
+                      "Content-Type: application/json; charset=utf-8\r\n"
                       "Connection: close\r\n"
                       "Access-Control-Allow-Origin: *",
                       buf, 0, len);
diff --git a/src/utils.c b/src/utils.c
index 0cd139f7aa..ba703d5608 100644
--- a/src/utils.c
+++ b/src/utils.c
@@ -489,12 +489,12 @@ char *readfile(char *fn, char *ctype, int *len) {
                           "text/javascript\r\nConnection: close");
         else if (endswith(fn, "htm") || endswith(fn, "html"))
             strcpy(ctype, "Cache-Control: max-age=3600\r\nContent-type: "
-                          "text/html\r\nConnection: close");
+                          "text/html; charset=utf-8\r\nConnection: close");
         else if (endswith(fn, "xml"))
             strcpy(ctype, "Cache-Control: no-cache\r\nContent-type: text/xml");
         else if (endswith(fn, "json"))
             strcpy(ctype, "Cache-Control: no-cache\r\nContent-type: "
-                          "application/json");
+                          "application/json; charset=utf-8");
         else if (endswith(fn, "m3u"))
             strcpy(ctype,
                    "Cache-Control: no-cache\r\nContent-type: video/x-mpegurl");