diff --git a/sea-orm-codegen/src/entity/column.rs b/sea-orm-codegen/src/entity/column.rs
index df286fc7..1f6815a0 100644
--- a/sea-orm-codegen/src/entity/column.rs
+++ b/sea-orm-codegen/src/entity/column.rs
@@ -43,6 +43,7 @@ impl Column {
             ColumnType::Uuid => "Uuid",
             ColumnType::Binary(_) => "Vec<u8>",
             ColumnType::Boolean => "bool",
+            _ => unimplemented!(),
         }
         .parse()
         .unwrap();
@@ -106,6 +107,7 @@ impl Column {
                 let s = s.to_string();
                 quote! { ColumnType::Custom(#s.to_owned()).def() }
             }
+            _ => unimplemented!(),
         };
         if !self.not_null {
             col_def.extend(quote! {