diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c
index bb6f46c..ff399f8 100644
--- a/drivers/net/wireless/rt2x00/rt2x00dev.c
+++ b/drivers/net/wireless/rt2x00/rt2x00dev.c
@@ -550,7 +550,7 @@
 			/*
 			 * Check if we need to set the Length Extension
 			 */
-			if (bitrate == 110 && residual <= 3)
+			if (bitrate == 110 && residual <= 30)
 				desc.service |= 0x80;
 		}