Index: System.Data.SQLite/SQLite3.cs
==================================================================
--- System.Data.SQLite/SQLite3.cs
+++ System.Data.SQLite/SQLite3.cs
@@ -871,28 +871,12 @@
     internal override string GetFileName(string dbName)
     {
         if (_sql == null)
             return null;
 
-        IntPtr pDbName = IntPtr.Zero;
-
-        try
-        {
-            pDbName = (dbName != null) ?
-                SQLiteString.Utf8IntPtrFromString(dbName) : IntPtr.Zero;
-
-            return UTF8ToString(UnsafeNativeMethods.sqlite3_db_filename(
-                _sql, pDbName), -1);
-        }
-        finally
-        {
-            if (pDbName != IntPtr.Zero)
-            {
-                SQLiteMemory.Free(pDbName);
-                pDbName = IntPtr.Zero;
-            }
-        }
+        return UTF8ToString(UnsafeNativeMethods.sqlite3_db_filename_bytes(
+            _sql, ToUTF8(dbName)), -1);
     }
 
     internal override void Open(string strFilename, string vfsName, SQLiteConnectionFlags connectionFlags, SQLiteOpenFlagsEnum openFlags, int maxPoolSize, bool usePool)
     {
       //

Index: System.Data.SQLite/UnsafeNativeMethods.cs
==================================================================
--- System.Data.SQLite/UnsafeNativeMethods.cs
+++ System.Data.SQLite/UnsafeNativeMethods.cs
@@ -2291,10 +2291,17 @@
 #else
     [DllImport(SQLITE_DLL)]
 #endif
     internal static extern IntPtr sqlite3_db_filename(IntPtr db, IntPtr dbName);
 
+#if !PLATFORM_COMPACTFRAMEWORK
+    [DllImport(SQLITE_DLL, EntryPoint = "sqlite3_db_filename", CallingConvention = CallingConvention.Cdecl)]
+#else
+    [DllImport(SQLITE_DLL, EntryPoint = "sqlite3_db_filename")]
+#endif
+    internal static extern IntPtr sqlite3_db_filename_bytes(IntPtr db, byte[] dbName);
+
 #if !PLATFORM_COMPACTFRAMEWORK
     [DllImport(SQLITE_DLL, CallingConvention = CallingConvention.Cdecl)]
 #else
     [DllImport(SQLITE_DLL)]
 #endif