diff --git a/net/ipforward/Kconfig b/net/ipforward/Kconfig
index 96cf02104b4..2e4990d3898 100644
--- a/net/ipforward/Kconfig
+++ b/net/ipforward/Kconfig
@@ -43,7 +43,7 @@ config NET_IPFORWARD_NSTRUCT
 
 config NET_IPFORWARD_ALLOC_STRUCT
 	int "Dynamic forwarding structures allocation"
-	default 0
+	default 1
 	---help---
 		When set to 0 all dynamic allocations are disabled
 
diff --git a/net/tcp/Kconfig b/net/tcp/Kconfig
index 28ce864133a..5574454fe0b 100644
--- a/net/tcp/Kconfig
+++ b/net/tcp/Kconfig
@@ -261,7 +261,7 @@ config NET_TCP_NWRBCHAINS
 
 config NET_TCP_ALLOC_WRBCHAINS
 	int "Dynamic I/O buffer chain heads allocation"
-	default 0
+	default 1
 	---help---
 		When set to 0 all dynamic allocations are disabled
 
diff --git a/net/udp/Kconfig b/net/udp/Kconfig
index a094e2850b9..e3cc5bf546e 100644
--- a/net/udp/Kconfig
+++ b/net/udp/Kconfig
@@ -105,7 +105,7 @@ config NET_UDP_NWRBCHAINS
 
 config NET_UDP_ALLOC_WRBCHAINS
 	int "Dynamic I/O buffer chain heads allocation"
-	default 0
+	default 1
 	---help---
 		When set to 0 all dynamic allocations are disabled.