diff --git a/app/Console/Commands/Correction/FixUnevenAmount.php b/app/Console/Commands/Correction/FixUnevenAmount.php
index 3a94018bdf..2e1b0bef4c 100644
--- a/app/Console/Commands/Correction/FixUnevenAmount.php
+++ b/app/Console/Commands/Correction/FixUnevenAmount.php
@@ -47,7 +47,7 @@ class FixUnevenAmount extends Command
      */
     public function handle(): int
     {
-        $count    = 0;
+        $count = 0;
         $journals = DB::table('transactions')
                       ->groupBy('transaction_journal_id')
                       ->whereNull('deleted_at')
@@ -55,15 +55,23 @@ class FixUnevenAmount extends Command
         /** @var stdClass $entry */
         foreach ($journals as $entry) {
             $sum = (string)$entry->the_sum;
-            if (!is_numeric($sum)) {
-                $message = sprintf('Journal #%d has an invalid sum ("%s"). No sure what to do.', $entry->transaction_journal_id, $entry->the_sum);
+            if (!is_numeric($sum) || '' === $sum || str_contains($sum, 'e') || str_contains($sum, ',')) {
+                $message = sprintf(
+                    'Journal #%d has an invalid sum ("%s"). No sure what to do.',
+                    $entry->transaction_journal_id,
+                    $entry->the_sum
+                );
                 $this->friendlyWarning($message);
                 app('log')->warning($message);
                 $count++;
                 continue;
             }
             if (0 !== bccomp((string)$entry->the_sum, '0')) {
-                $message = sprintf('Sum of journal #%d is %s instead of zero.', $entry->transaction_journal_id, $entry->the_sum);
+                $message = sprintf(
+                    'Sum of journal #%d is %s instead of zero.',
+                    $entry->transaction_journal_id,
+                    $entry->the_sum
+                );
                 $this->friendlyWarning($message);
                 app('log')->warning($message);
                 $this->fixJournal((int)$entry->transaction_journal_id);
@@ -78,7 +86,7 @@ class FixUnevenAmount extends Command
     }
 
     /**
-     * @param  int  $param
+     * @param int $param
      */
     private function fixJournal(int $param): void
     {