diff --git a/main.cpp b/main.cpp
index c732951..5f6720c 100644
--- a/main.cpp
+++ b/main.cpp
@@ -551,22 +551,12 @@ main(int ac, const char* av[])
 
         CROW_ROUTE(app, "/js/all_in_one.js")
         ([&](const crow::request& req) {
-
-            string all_in_one = xmrblocks.get_js_file("jquery.min.js") +
-                                xmrblocks.get_js_file("crc32.js") +
-                                xmrblocks.get_js_file("biginteger.js") +
-                                xmrblocks.get_js_file("config.js") +
-                                xmrblocks.get_js_file("nacl-fast-cn.js") +
-                                xmrblocks.get_js_file("crypto.js") +
-                                xmrblocks.get_js_file("base58.js") +
-                                xmrblocks.get_js_file("cn_util.js") +
-                                xmrblocks.get_js_file("sha3.js");
-
-            return all_in_one;
+            // /js/all_in_one.js file does not exist. it is generated on the fly
+            // from the above real files.
+            return xmrblocks.get_js_file("all_in_one.js");
         });
 
-    }
-
+    } // if (enable_js)
 
     if (enable_json_api)
     {
@@ -738,7 +728,7 @@ main(int ac, const char* av[])
             return r;
         });
 
-    }
+    } // if (enable_json_api)
 
     if (enable_autorefresh_option)
     {
diff --git a/src/page.h b/src/page.h
index bcba26b..534224e 100644
--- a/src/page.h
+++ b/src/page.h
@@ -393,16 +393,25 @@ namespace xmreg
 
             if (enable_js) {
                 // JavaScript files
-                template_file["jquery.min.js"] = xmreg::read(JS_JQUERY);
-                template_file["crc32.js"] = xmreg::read(JS_CRC32);
-                template_file["crypto.js"] = xmreg::read(JS_CRYPTO);
-                template_file["cn_util.js"] = xmreg::read(JS_CNUTIL);
-                template_file["base58.js"] = xmreg::read(JS_BASE58);
+                template_file["jquery.min.js"]   = xmreg::read(JS_JQUERY);
+                template_file["crc32.js"]        = xmreg::read(JS_CRC32);
+                template_file["crypto.js"]       = xmreg::read(JS_CRYPTO);
+                template_file["cn_util.js"]      = xmreg::read(JS_CNUTIL);
+                template_file["base58.js"]       = xmreg::read(JS_BASE58);
                 template_file["nacl-fast-cn.js"] = xmreg::read(JS_NACLFAST);
-                template_file["sha3.js"] = xmreg::read(JS_SHA3);
-                template_file["config.js"] = xmreg::read(JS_CONFIG);
-                template_file["biginteger.js"] = xmreg::read(JS_BIGINT);
-
+                template_file["sha3.js"]         = xmreg::read(JS_SHA3);
+                template_file["config.js"]       = xmreg::read(JS_CONFIG);
+                template_file["biginteger.js"]   = xmreg::read(JS_BIGINT);
+
+                template_file["all_in_one.js"] = template_file["jquery.min.js"] +
+                                                 template_file["crc32.js"] +
+                                                 template_file["biginteger.js"] +
+                                                 template_file["config.js"] +
+                                                 template_file["nacl-fast-cn.js"] +
+                                                 template_file["crypto.js"] +
+                                                 template_file["base58.js"] +
+                                                 template_file["cn_util.js"] +
+                                                 template_file["sha3.js"];
 
                 // need to set  "testnet: false," flag to reflect
                 // if we are running testnet or mainnet explorer
@@ -425,6 +434,8 @@ namespace xmreg
                 js_html_files += "<script src=\"/js/cn_util.js\"></script>";
                 js_html_files += "<script src=\"/js/sha3.js\"></script>";
 
+                // /js/all_in_one.js file does not exist. it is generated on the fly
+                // from the above real files.
                 js_html_files_all_in_one = "<script src=\"/js/all_in_one.js\"></script>";
             }