diff --git a/reportbuilder/classes/local/report/column.php b/reportbuilder/classes/local/report/column.php
index 75f991f9c09..980f5cf4549 100644
--- a/reportbuilder/classes/local/report/column.php
+++ b/reportbuilder/classes/local/report/column.php
@@ -61,6 +61,9 @@ final class column {
     /** @var lang_string $columntitle Used as a title for the column in reports */
     private $columntitle;
 
+    /** @var bool $hascustomcolumntitle Used to store if the column has been given a custom title */
+    private $hascustomcolumntitle = false;
+
     /** @var string $entityname Name of the entity this column belongs to */
     private $entityname;
 
@@ -151,6 +154,7 @@ final class column {
      */
     public function set_title(?lang_string $title): self {
         $this->columntitle = $title;
+        $this->hascustomcolumntitle = true;
         return $this;
     }
 
@@ -163,6 +167,15 @@ final class column {
         return $this->columntitle ? (string) $this->columntitle : '';
     }
 
+    /**
+     * Check whether this column has been given a custom title
+     *
+     * @return bool
+     */
+    public function has_custom_title(): bool {
+        return $this->hascustomcolumntitle;
+    }
+
     /**
      * Get column entity name
      *
diff --git a/reportbuilder/classes/local/systemreports/reports_list.php b/reportbuilder/classes/local/systemreports/reports_list.php
index b026c962adc..1ad7cef1cd9 100644
--- a/reportbuilder/classes/local/systemreports/reports_list.php
+++ b/reportbuilder/classes/local/systemreports/reports_list.php
@@ -181,7 +181,8 @@ class reports_list extends system_report {
         );
 
         // The user who modified the report.
-        $this->add_column_from_entity('user:fullname');
+        $this->add_column_from_entity('user:fullname')
+            ->set_title(new lang_string('usermodified', 'reportbuilder'));
 
         // Initial sorting.
         $this->set_initial_sort_column('report:timecreated', SORT_DESC);
diff --git a/reportbuilder/classes/table/system_report_table.php b/reportbuilder/classes/table/system_report_table.php
index 0586da66118..a65e5798c50 100644
--- a/reportbuilder/classes/table/system_report_table.php
+++ b/reportbuilder/classes/table/system_report_table.php
@@ -101,8 +101,8 @@ class system_report_table extends base_report_table {
 
             $columnheaders[$column->get_column_alias()] = $column->get_title();
 
-            // Specify whether column should behave as a user fullname column.
-            if (preg_match('/^user:fullname.*$/', $column->get_unique_identifier())) {
+            // Specify whether column should behave as a user fullname column unless the column has a custom title set.
+            if (preg_match('/^user:fullname.*$/', $column->get_unique_identifier()) && !$column->has_custom_title()) {
                 $this->userfullnamecolumns[] = $column->get_column_alias();
             }
 
diff --git a/reportbuilder/tests/behat/customreports.feature b/reportbuilder/tests/behat/customreports.feature
index 35495e4ac51..7770f3bd8df 100644
--- a/reportbuilder/tests/behat/customreports.feature
+++ b/reportbuilder/tests/behat/customreports.feature
@@ -33,8 +33,8 @@ Feature: Manage custom reports
     Then I should see "Email address" in the "[data-region='report-filters']" "css_element"
     And I navigate to "Reports > Report builder > Custom reports" in site administration
     And the following should exist in the "reportbuilder-table" table:
-      | Name      | Report source |
-      | My report | Users         |
+      | Name      | Report source | Modified by |
+      | My report | Users         | Admin User  |
 
   Scenario: Create custom report without default setup
     Given I log in as "admin"
diff --git a/reportbuilder/tests/local/report/column_test.php b/reportbuilder/tests/local/report/column_test.php
index 99f7d117172..3cbe8d974e9 100644
--- a/reportbuilder/tests/local/report/column_test.php
+++ b/reportbuilder/tests/local/report/column_test.php
@@ -53,11 +53,13 @@ class column_test extends advanced_testcase {
     public function test_title(): void {
         $column = $this->create_column('test', new lang_string('show'));
         $this->assertEquals('Show', $column->get_title());
+        $this->assertFalse($column->has_custom_title());
 
         $this->assertEquals('Hide', $column
             ->set_title(new lang_string('hide'))
             ->get_title()
         );
+        $this->assertTrue($column->has_custom_title());
 
         // Column titles can also be empty.
         $this->assertEmpty($column