diff --git a/drivers/net/igc/igc_flow.c b/drivers/net/igc/igc_flow.c
index 1bb64d323c..66053060af 100644
--- a/drivers/net/igc/igc_flow.c
+++ b/drivers/net/igc/igc_flow.c
@@ -656,7 +656,7 @@ igc_parse_action_rss(struct rte_eth_dev *dev,
  * Return the pointer of the flow, or NULL for failed
  **/
 static inline struct rte_flow *
-igc_alloc_flow(const void *filter, enum igc_filter_type type, uint inbytes)
+igc_alloc_flow(const void *filter, enum igc_filter_type type, size_t inbytes)
 {
 	/* allocate memory, 8 bytes boundary aligned */
 	struct rte_flow *flow = rte_malloc("igc flow filter",