diff --git a/app/Services/ImportProcessor.php b/app/Services/ImportProcessor.php
index 6a7ce39..dac06bf 100644
--- a/app/Services/ImportProcessor.php
+++ b/app/Services/ImportProcessor.php
@@ -1656,6 +1656,10 @@ private function upsertAccount(Import $import, array $mapped, $mappings, bool $h
             if (in_array($field, ['balance_amount', 'initial_amount'], true) && is_string($value)) {
                 $value = $this->normalizeDecimal($value);
             }
+            // Convert empty string to 0 for amount fields
+            if (in_array($field, ['balance_amount', 'initial_amount'], true) && ($value === '' || $value === null)) {
+                $value = 0;
+            }
             $mode = $map->apply_mode ?? 'both';
             if ($mode === 'keyref') {
                 // treat as insert-only field (lookup + create), never update