diff --git a/app/Services/StudyRouter/DicomStudyRouter.php b/app/Services/StudyRouter/DicomStudyRouter.php
index e92725f..d0c2d1e 100644
--- a/app/Services/StudyRouter/DicomStudyRouter.php
+++ b/app/Services/StudyRouter/DicomStudyRouter.php
@@ -35,7 +35,7 @@ public static function matchStudy(array $dicomHeaders): array
             try {
                 $matches = (bool) $expression->evaluate($rule->condition, ['study' => $study]);
             } catch (Exception $exc) {
-                Log::error('Error evaluating expression', [
+                Log::error('Error evaluating rule expression', [
                     'rule_id' => $rule->id,
                     'condition' => $rule->condition,
                     'error' => $exc->getMessage(),