diff --git a/app/Services/ImportProcessor.php b/app/Services/ImportProcessor.php
index ee5f35c..44f08ba 100644
--- a/app/Services/ImportProcessor.php
+++ b/app/Services/ImportProcessor.php
@@ -1656,6 +1656,10 @@ private function upsertAccount(Import $import, array $mapped, $mappings, bool $h
             $value = $acc[$field] ?? null;
             if (in_array($field, ['balance_amount', 'initial_amount'], true) && is_string($value)) {
                 $value = $this->normalizeDecimal($value);
+                // Ensure the normalized value is numeric, otherwise default to 0
+                if ($value === '' || $value === '-' || ! is_numeric($value)) {
+                    $value = 0;
+                }
             }
             // Convert empty string to 0 for amount fields
             if (in_array($field, ['balance_amount', 'initial_amount'], true) && ($value === '' || $value === null)) {