Index: System.Data.SQLite/SQLiteParameter.cs
==================================================================
--- System.Data.SQLite/SQLiteParameter.cs
+++ System.Data.SQLite/SQLiteParameter.cs
@@ -18,11 +18,11 @@
   public sealed class SQLiteParameter : DbParameter, ICloneable
   {
     /// <summary>
     /// The data type of the parameter
     /// </summary>
-    internal int            _dbType;
+    internal DbType        _dbType;
     /// <summary>
     /// The version information for mapping the parameter
     /// </summary>
     private DataRowVersion _rowVersion;
     /// <summary>
@@ -179,11 +179,11 @@
     /// <param name="sourceColumn">The source column</param>
     /// <param name="rowVersion">The row version information</param>
     public SQLiteParameter(string parameterName, DbType parameterType, int parameterSize, string sourceColumn, DataRowVersion rowVersion)      
     {
       _parameterName = parameterName;
-      _dbType = (int)parameterType;
+      _dbType = parameterType;
       _sourceColumn = sourceColumn;
       _rowVersion = rowVersion;
       _dataSize = parameterSize;
       _nullable = true;
     }
@@ -299,11 +299,11 @@
 #endif
     public override DbType DbType
     {
       get
       {
-        if (_dbType == -1)
+        if (_dbType == (DbType)-1)
         {
           if (_objValue != null && _objValue != DBNull.Value)
           {
             return SQLiteConvert.TypeToDbType(_objValue.GetType());
           }
@@ -311,11 +311,11 @@
         }
         return (DbType)_dbType;
       }
       set
       {
-        _dbType = (int)value;
+        _dbType = value;
       }
     }
 
     /// <summary>
     /// Supports only input parameters
@@ -351,11 +351,11 @@
     /// <summary>
     /// Resets the DbType of the parameter so it can be inferred from the value
     /// </summary>
     public override void ResetDbType()
     {
-      _dbType = -1;
+      _dbType = (DbType)-1;
     }
 
     /// <summary>
     /// Returns the size of the parameter
     /// </summary>
@@ -432,12 +432,12 @@
         return _objValue;
       }
       set
       {
         _objValue = value;
-        if (_dbType == -1 && _objValue != null && _objValue != DBNull.Value) // If the DbType has never been assigned, try to glean one from the value's datatype 
-          _dbType = (int)SQLiteConvert.TypeToDbType(_objValue.GetType());
+        if (_dbType == (DbType)-1 && _objValue != null && _objValue != DBNull.Value) // If the DbType has never been assigned, try to glean one from the value's datatype
+          _dbType = SQLiteConvert.TypeToDbType(_objValue.GetType());
       }
     }
 
     /// <summary>
     /// Clones a parameter