diff --git a/internal/databases.go b/internal/databases.go
index 97f3be6..aee5bb1 100644
--- a/internal/databases.go
+++ b/internal/databases.go
@@ -15,7 +15,9 @@ func DropUnusedColumns(DB *gorm.DB, values ...interface{}) {
 
 	for _, dst := range values {
 		stmt := &gorm.Statement{DB: DB}
-		stmt.Parse(dst)
+		if stmt.Parse(dst) != nil {
+			return
+		}
 		fields := stmt.Schema.Fields
 		columns, _ := DB.Debug().Migrator().ColumnTypes(dst)
 
@@ -28,7 +30,9 @@ func DropUnusedColumns(DB *gorm.DB, values ...interface{}) {
 				}
 			}
 			if !found {
-				DB.Migrator().DropColumn(dst, columns[i].Name())
+				if DB.Migrator().DropColumn(dst, columns[i].Name()) != nil {
+					return
+				}
 			}
 		}
 	}