diff --git a/configs/detron/wlan/defconfig b/configs/detron/wlan/defconfig
index fc9a69312b424b92e00fb0b983c4e0677b6d3592..7bb17be90b0e274886b92c6f5c29387a2e9898f0 100755
--- a/configs/detron/wlan/defconfig
+++ b/configs/detron/wlan/defconfig
@@ -658,12 +658,12 @@ CONFIG_LPC17_USBDEV_DMAINTMASK=0
 # CONFIG_USBHOST_IOBUFSIZE
 #   Size of one end-user I/O buffer
 #
-CONFIG_USBHOST_OHCIRAM_SIZE=1536
-CONFIG_USBHOST_NEDS=2
+CONFIG_USBHOST_OHCIRAM_SIZE=2048
+CONFIG_USBHOST_NEDS=3
 CONFIG_USBHOST_NTDS=2
-CONFIG_USBHOST_TDBUFFERS=3
+CONFIG_USBHOST_TDBUFFERS=4
 CONFIG_USBHOST_TDBUFSIZE=128
-CONFIG_USBHOST_IOBUFSIZE=512
+CONFIG_USBHOST_IOBUFSIZE=448
 
 #
 # USB Serial Device Configuration
diff --git a/configs/olimex-lpc1766stk/wlan/defconfig b/configs/olimex-lpc1766stk/wlan/defconfig
index 8edfc7ae39269ba0fcbf3f92299f1cc7b9672102..00c02552f8229a7cc247e08245a84ce22892f554 100755
--- a/configs/olimex-lpc1766stk/wlan/defconfig
+++ b/configs/olimex-lpc1766stk/wlan/defconfig
@@ -657,12 +657,12 @@ CONFIG_LPC17_USBDEV_DMAINTMASK=0
 # CONFIG_USBHOST_IOBUFSIZE
 #   Size of one end-user I/O buffer
 #
-CONFIG_USBHOST_OHCIRAM_SIZE=1536
-CONFIG_USBHOST_NEDS=2
+CONFIG_USBHOST_OHCIRAM_SIZE=2048
+CONFIG_USBHOST_NEDS=3
 CONFIG_USBHOST_NTDS=2
-CONFIG_USBHOST_TDBUFFERS=3
+CONFIG_USBHOST_TDBUFFERS=4
 CONFIG_USBHOST_TDBUFSIZE=128
-CONFIG_USBHOST_IOBUFSIZE=512
+CONFIG_USBHOST_IOBUFSIZE=448
 
 #
 # USB Serial Device Configuration