diff --git a/backends/clickhouse/column.go b/backends/clickhouse/column.go
index 14ad089..6628be6 100644
--- a/backends/clickhouse/column.go
+++ b/backends/clickhouse/column.go
@@ -403,7 +403,10 @@ type SDecimalColumn struct {
 // ColType implementation of SDecimalColumn for IColumnSpec
 func (c *SDecimalColumn) ColType() string {
 	str := c.SClickhouseBaseColumn.ColType()
-	return fmt.Sprintf("%s(%d, %d)", str, c.width, c.Precision)
+	if str == "Decimal" {
+		return fmt.Sprintf("%s(%d, %d)", str, c.width, c.Precision)
+	}
+	return fmt.Sprintf("%s(%d)", str, c.Precision)
 }
 
 // IsNumeric implementation of SDecimalColumn for IColumnSpec
diff --git a/backends/clickhouse/columninfo.go b/backends/clickhouse/columninfo.go
index 42475cd..75ed274 100644
--- a/backends/clickhouse/columninfo.go
+++ b/backends/clickhouse/columninfo.go
@@ -83,6 +83,14 @@ func (info *sSqlColumnInfo) getTagmap() map[string]string {
 		}
 		tagmap[sqlchemy.TAG_DEFAULT] = defVal
 	}
+	sqlType := info.getType()
+	if strings.HasPrefix(sqlType, "Decimal") {
+		re := regexp.MustCompile(`Decimal\((\d+),\s*(\d+)\)`)
+		match := re.FindStringSubmatch(sqlType)
+		if len(match) == 3 {
+			tagmap[sqlchemy.TAG_WIDTH], tagmap[sqlchemy.TAG_PRECISION] = match[1], match[2]
+		}
+	}
 	return tagmap
 }