diff --git a/drivers/filesystems/fastfat/rw.c b/drivers/filesystems/fastfat/rw.c
index 60713e104c..16a19b0d24 100644
--- a/drivers/filesystems/fastfat/rw.c
+++ b/drivers/filesystems/fastfat/rw.c
@@ -28,7 +28,7 @@
  * refined given what we experience in common
  * out of stack operations
  */
-#define OVERFLOW_READ_THRESHHOLD 0xE00
+#define OVERFLOW_READ_THRESHHOLD 0x1000
 
 /* FUNCTIONS *****************************************************************/