diff --git a/CHANGELOG.md b/CHANGELOG.md
index db72d54f4..461acadc1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+# v1.7.37.1
+## 10/05/2022
+
+1. [](#bugfix)
+    * Fixed a bad return type [#3630](https://github.com/getgrav/grav/issues/3630)
+
 # v1.7.37
 ## 10/05/2022
 
diff --git a/system/defines.php b/system/defines.php
index 9c2e27c33..aa56627ea 100644
--- a/system/defines.php
+++ b/system/defines.php
@@ -9,7 +9,7 @@
 
 // Some standard defines
 define('GRAV', true);
-define('GRAV_VERSION', '1.7.37');
+define('GRAV_VERSION', '1.7.37.1');
 define('GRAV_SCHEMA', '1.7.0_2020-11-20_1');
 define('GRAV_TESTING', false);
 
diff --git a/system/src/Grav/Common/Page/Pages.php b/system/src/Grav/Common/Page/Pages.php
index 4e8b0597f..6e2d14f29 100644
--- a/system/src/Grav/Common/Page/Pages.php
+++ b/system/src/Grav/Common/Page/Pages.php
@@ -2226,9 +2226,9 @@ class Pages
      * this is particularly useful to know if pages have changed and you want
      * to sync another cache with pages cache - works best in `onPagesInitialized()`
      *
-     * @return string
+     * @return null|string
      */
-    public function getPagesCacheId(): string
+    public function getPagesCacheId(): ?string
     {
         return $this->pages_cache_id;
     }
@@ -2236,9 +2236,9 @@ class Pages
     /**
      * Get the simple pages hash that is not md5 encoded, and isn't specific to language
      *
-     * @return string
+     * @return null|string
      */
-    public function getSimplePagesHash(): string
+    public function getSimplePagesHash(): ?string
     {
         return $this->simple_pages_hash;
     }