diff --git a/libraries/APM_BMP085/APM_BMP085.h b/libraries/APM_BMP085/APM_BMP085.h
index 66d950a3d6..b5581022cf 100644
--- a/libraries/APM_BMP085/APM_BMP085.h
+++ b/libraries/APM_BMP085/APM_BMP085.h
@@ -2,7 +2,7 @@
 #define APM_BMP085_h
 
 #define TEMP_FILTER_SIZE 2
-#define PRESS_FILTER_SIZE 2
+#define PRESS_FILTER_SIZE 4
 
 #include "APM_BMP085_hil.h"