diff --git a/lang/en/moodle.php b/lang/en/moodle.php
index e36d9704e5aec..4ce65d91b1f93 100644
--- a/lang/en/moodle.php
+++ b/lang/en/moodle.php
@@ -292,6 +292,7 @@
 $string['country'] = 'Country';
 $string['course'] = 'Course';
 $string['courseadministration'] = 'Course administration';
+$string['coursealreadyfinished'] = 'Course already finished';
 $string['courseapprovedemail'] = 'Your requested course, {$a->name}, has been approved and you have been made a {$a->teacher}.  To access your new course, go to {$a->url}';
 $string['courseapprovedemail2'] = 'Your requested course, {$a->name}, has been approved.  To access your new course, go to {$a->url}';
 $string['courseapprovedfailed'] = 'Failed to save the course as approved!';
diff --git a/lib/classes/analytics/target/course_dropout.php b/lib/classes/analytics/target/course_dropout.php
index 9787b815d9743..b44ec4d34ae75 100644
--- a/lib/classes/analytics/target/course_dropout.php
+++ b/lib/classes/analytics/target/course_dropout.php
@@ -158,6 +158,11 @@ public function is_valid_analysable(\core_analytics\analysable $course, $fortrai
             return get_string('coursetoolong', 'analytics');
         }
 
+        // Finished courses can not be used to get predictions.
+        if (!$fortraining && $course->is_finished()) {
+            return get_string('coursealreadyfinished');
+        }
+
         // Ongoing courses data can not be used to train.
         if ($fortraining && !$course->is_finished()) {
             return get_string('coursenotyetfinished');