diff --git a/config/app.php b/config/app.php
index 7c7e5133b7..0186be18ff 100644
--- a/config/app.php
+++ b/config/app.php
@@ -791,6 +791,8 @@
     //     */
     //     'developer',
 
+        'debug_log' => env('DEBUG_LOG', false),
+
     //     /*
     //     | -------
     //     | Github
diff --git a/index.php b/index.php
index e980777706..0ce49405a0 100644
--- a/index.php
+++ b/index.php
@@ -51,7 +51,7 @@
 new Hm_Dispatch($config);
 
 /* log some debug stats about the page */
-if (DEBUG_MODE) {
+if (DEBUG_MODE or $config->get('debug_log')) {
     Hm_Debug::load_page_stats();
     Hm_Debug::show();
 }
diff --git a/lib/module.php b/lib/module.php
index 5062599e5d..73148797a5 100644
--- a/lib/module.php
+++ b/lib/module.php
@@ -339,7 +339,7 @@ public function __construct($parent, $page, $output = [], $protected = []) {
      * @return string
      */
     private function invalid_ajax_key() {
-        if (DEBUG_MODE) {
+        if (DEBUG_MODE or $this->config->get('debug_log')) {
             Hm_Debug::add('REQUEST KEY check failed');
             Hm_Debug::load_page_stats();
             Hm_Debug::show();
diff --git a/lib/modules_exec.php b/lib/modules_exec.php
index 5db08354fb..36ef22b547 100644
--- a/lib/modules_exec.php
+++ b/lib/modules_exec.php
@@ -233,7 +233,7 @@ public function __construct($config) {
      * @return void
      */
     public function process_module_setup() {
-        if (DEBUG_MODE) {
+        if (DEBUG_MODE or $this->site_config->get('debug_log')) {
             $this->setup_debug_modules();
         }
         else {
diff --git a/lib/output.php b/lib/output.php
index eb51518128..4b721aa5d2 100644
--- a/lib/output.php
+++ b/lib/output.php
@@ -150,7 +150,7 @@ public static function load_page_stats() {
  * @return boolean|null
  */
 function elog($mixed) {
-    if (DEBUG_MODE) {
+    if (DEBUG_MODE or env('DEBUG_LOG', false)) {
         $bt = debug_backtrace();
         $caller = array_shift($bt);
         Hm_Debug::add(sprintf('ELOG called in %s at line %d', $caller['file'], $caller['line']));