diff --git a/src/generators/sqlitegenerator.cpp b/src/generators/sqlitegenerator.cpp
index ee772c6..d62f895 100644
--- a/src/generators/sqlitegenerator.cpp
+++ b/src/generators/sqlitegenerator.cpp
@@ -96,7 +96,7 @@ QString SqliteGenerator::fieldDeclare(FieldModel *field)
         return type;
 
     if (field->isPrimaryKey) {
-        type.append("INTEGER PRIMARY KEY");
+        type = "INTEGER PRIMARY KEY";
         if (field->isAutoIncrement)
             type.append(" AUTOINCREMENT");
     }