diff --git a/searx/static/themes/simple/css/searx-rtl.css b/searx/static/themes/simple/css/searx-rtl.css
index bc8003476..abe013ee3 100644
--- a/searx/static/themes/simple/css/searx-rtl.css
+++ b/searx/static/themes/simple/css/searx-rtl.css
@@ -1,4 +1,4 @@
-/*! searx | 04-06-2020 |  */
+/*! searx | 19-09-2020 | https://github.com/asciimoo/searx */
 /*
 * searx, A privacy-respecting, hackable metasearch engine
 *
diff --git a/searx/static/themes/simple/css/searx-rtl.min.css b/searx/static/themes/simple/css/searx-rtl.min.css
index 561072976..cafc2b939 100644
Binary files a/searx/static/themes/simple/css/searx-rtl.min.css and b/searx/static/themes/simple/css/searx-rtl.min.css differ
diff --git a/searx/static/themes/simple/css/searx.css b/searx/static/themes/simple/css/searx.css
index 74cc5b5ba..17a098f4f 100644
--- a/searx/static/themes/simple/css/searx.css
+++ b/searx/static/themes/simple/css/searx.css
@@ -1,4 +1,4 @@
-/*! searx | 04-06-2020 |  */
+/*! searx | 19-09-2020 | https://github.com/asciimoo/searx */
 /*
 * searx, A privacy-respecting, hackable metasearch engine
 *
diff --git a/searx/static/themes/simple/css/searx.min.css b/searx/static/themes/simple/css/searx.min.css
index e8acf69a0..25f62f32b 100644
Binary files a/searx/static/themes/simple/css/searx.min.css and b/searx/static/themes/simple/css/searx.min.css differ
diff --git a/searx/static/themes/simple/js/searx.head.min.js b/searx/static/themes/simple/js/searx.head.min.js
index 8cd0df3d6..7bbb6847b 100644
Binary files a/searx/static/themes/simple/js/searx.head.min.js and b/searx/static/themes/simple/js/searx.head.min.js differ
diff --git a/searx/static/themes/simple/js/searx.js b/searx/static/themes/simple/js/searx.js
index 3e9ad3e7f..8fb2471b0 100644
--- a/searx/static/themes/simple/js/searx.js
+++ b/searx/static/themes/simple/js/searx.js
@@ -1531,6 +1531,10 @@ module.exports = AutoComplete;
           Url: "./autocompleter",
           EmptyMessage: searx.no_item_found,
           HttpMethod: searx.method,
+          HttpHeaders: {
+            "Content-type": "application/x-www-form-urlencoded",
+            "X-Requested-With": "XMLHttpRequest"
+          },
           MinChars: 4,
           Delay: 300,
         }, "#" + qinput_id);
diff --git a/searx/static/themes/simple/js/searx.min.js b/searx/static/themes/simple/js/searx.min.js
index 264a7fb42..ca3a420a2 100644
Binary files a/searx/static/themes/simple/js/searx.min.js and b/searx/static/themes/simple/js/searx.min.js differ
diff --git a/searx/static/themes/simple/js/searx.min.js.map b/searx/static/themes/simple/js/searx.min.js.map
index 81e7ddffa..fafc9644b 100644
Binary files a/searx/static/themes/simple/js/searx.min.js.map and b/searx/static/themes/simple/js/searx.min.js.map differ
diff --git a/searx/static/themes/simple/js/searx_src/searx_search.js b/searx/static/themes/simple/js/searx_src/searx_search.js
index 580d98d6a..7b652fa92 100644
--- a/searx/static/themes/simple/js/searx_src/searx_search.js
+++ b/searx/static/themes/simple/js/searx_src/searx_search.js
@@ -75,6 +75,10 @@
           Url: "./autocompleter",
           EmptyMessage: searx.no_item_found,
           HttpMethod: searx.method,
+          HttpHeaders: {
+            "Content-type": "application/x-www-form-urlencoded",
+            "X-Requested-With": "XMLHttpRequest"
+          },
           MinChars: 4,
           Delay: 300,
         }, "#" + qinput_id);