diff --git a/subsys/net/ip/Kconfig b/subsys/net/ip/Kconfig
index 11aaae3..58036a3 100644
--- a/subsys/net/ip/Kconfig
+++ b/subsys/net/ip/Kconfig
@@ -752,6 +752,13 @@
 	  This value tell what is the size of the memory pool where each
 	  network buffer is allocated from.
 
+config NET_PKT_BUF_USER_DATA_SIZE
+	int "Size of user_data available in rx and tx network buffers"
+	default 4
+	range 4 16
+	help
+	  User data size used in rx and tx network buffers.
+
 config NET_HEADERS_ALWAYS_CONTIGUOUS
 	bool
 	help
diff --git a/subsys/net/ip/net_pkt.c b/subsys/net/ip/net_pkt.c
index 9a7a039..c566b6d 100644
--- a/subsys/net/ip/net_pkt.c
+++ b/subsys/net/ip/net_pkt.c
@@ -122,17 +122,17 @@
 
 #if defined(CONFIG_NET_BUF_FIXED_DATA_SIZE)
 
-NET_BUF_POOL_FIXED_DEFINE(rx_bufs, CONFIG_NET_BUF_RX_COUNT,
-			  CONFIG_NET_BUF_DATA_SIZE, 4, NULL);
-NET_BUF_POOL_FIXED_DEFINE(tx_bufs, CONFIG_NET_BUF_TX_COUNT,
-			  CONFIG_NET_BUF_DATA_SIZE, 4, NULL);
+NET_BUF_POOL_FIXED_DEFINE(rx_bufs, CONFIG_NET_BUF_RX_COUNT, CONFIG_NET_BUF_DATA_SIZE,
+			  CONFIG_NET_PKT_BUF_USER_DATA_SIZE, NULL);
+NET_BUF_POOL_FIXED_DEFINE(tx_bufs, CONFIG_NET_BUF_TX_COUNT, CONFIG_NET_BUF_DATA_SIZE,
+			  CONFIG_NET_PKT_BUF_USER_DATA_SIZE, NULL);
 
 #else /* !CONFIG_NET_BUF_FIXED_DATA_SIZE */
 
-NET_BUF_POOL_VAR_DEFINE(rx_bufs, CONFIG_NET_BUF_RX_COUNT,
-			CONFIG_NET_BUF_DATA_POOL_SIZE, 4, NULL);
-NET_BUF_POOL_VAR_DEFINE(tx_bufs, CONFIG_NET_BUF_TX_COUNT,
-			CONFIG_NET_BUF_DATA_POOL_SIZE, 4, NULL);
+NET_BUF_POOL_VAR_DEFINE(rx_bufs, CONFIG_NET_BUF_RX_COUNT, CONFIG_NET_BUF_DATA_POOL_SIZE,
+			CONFIG_NET_PKT_BUF_USER_DATA_SIZE, NULL);
+NET_BUF_POOL_VAR_DEFINE(tx_bufs, CONFIG_NET_BUF_TX_COUNT, CONFIG_NET_BUF_DATA_POOL_SIZE,
+			CONFIG_NET_PKT_BUF_USER_DATA_SIZE, NULL);
 
 #endif /* CONFIG_NET_BUF_FIXED_DATA_SIZE */