diff --git a/dbt/include/snowflake/macros/relations/dynamic_table/create.sql b/dbt/include/snowflake/macros/relations/dynamic_table/create.sql
index 92fc53a26..f8a6ea4d7 100644
--- a/dbt/include/snowflake/macros/relations/dynamic_table/create.sql
+++ b/dbt/include/snowflake/macros/relations/dynamic_table/create.sql
@@ -73,7 +73,7 @@
     create dynamic iceberg table {{ relation }}
         target_lag = '{{ dynamic_table.target_lag }}'
         warehouse = {{ dynamic_table.snowflake_warehouse }}
-        external_volume = '{{ dynamic_table.catalog.external_volume }}'
+	{{ optional('external_volume', dynamic_table.catalog.external_volume) }}
         catalog = '{{ dynamic_table.catalog.name }}'
         base_location = '{{ dynamic_table.catalog.base_location }}'
         {{ optional('refresh_mode', dynamic_table.refresh_mode) }}
diff --git a/dbt/include/snowflake/macros/relations/dynamic_table/replace.sql b/dbt/include/snowflake/macros/relations/dynamic_table/replace.sql
index f7ea0619d..1a28eebad 100644
--- a/dbt/include/snowflake/macros/relations/dynamic_table/replace.sql
+++ b/dbt/include/snowflake/macros/relations/dynamic_table/replace.sql
@@ -72,7 +72,7 @@
     create or replace dynamic iceberg table {{ relation }}
         target_lag = '{{ dynamic_table.target_lag }}'
         warehouse = {{ dynamic_table.snowflake_warehouse }}
-        external_volume = '{{ dynamic_table.catalog.external_volume }}'
+	{{ optional('external_volume', dynamic_table.catalog.external_volume) }}
         catalog = '{{ dynamic_table.catalog.name }}'
         base_location = '{{ dynamic_table.catalog.base_location }}'
         {{ optional('refresh_mode', dynamic_table.refresh_mode) }}