diff --git a/system/Helpers/number_helper.php b/system/Helpers/number_helper.php
index 32dd4e09d68c..af0d6fb83cc8 100644
--- a/system/Helpers/number_helper.php
+++ b/system/Helpers/number_helper.php
@@ -24,8 +24,10 @@ function number_to_size($num, int $precision = 1, ?string $locale = null)
     {
         // Strip any formatting & ensure numeric input
         try {
+            // @phpstan-ignore-next-line
             $num = 0 + str_replace(',', '', $num);
         } catch (ErrorException $ee) {
+            // Catch "Warning:  A non-numeric value encountered"
             return false;
         }