diff --git a/drivers/net/sfc/selftest.c b/drivers/net/sfc/selftest.c
index 11153d9..da4473b 100644
--- a/drivers/net/sfc/selftest.c
+++ b/drivers/net/sfc/selftest.c
@@ -506,7 +506,7 @@
 
 	for (i = 0; i < 3; i++) {
 		/* Determine how many packets to send */
-		state->packet_count = EFX_TXQ_SIZE / 3;
+		state->packet_count = efx->txq_entries / 3;
 		state->packet_count = min(1 << (i << 2), state->packet_count);
 		state->skbs = kzalloc(sizeof(state->skbs[0]) *
 				      state->packet_count, GFP_KERNEL);