diff --git a/wiringPi/wiringPi.c b/wiringPi/wiringPi.c
index 46c6826..c3b9d8b 100644
--- a/wiringPi/wiringPi.c
+++ b/wiringPi/wiringPi.c
@@ -288,8 +288,8 @@ const int piMemorySize [8] =
    256,		//	 0
    512,		//	 1
   1024,		//	 2
-     0,		//	 3
-     0,		//	 4
+  2048,		//	 3
+  4096,		//	 4
      0,		//	 5
      0,		//	 6
      0,		//	 7