diff --git a/sys/amd64/conf/GENERIC b/sys/amd64/conf/GENERIC
index 46875dbf9c2..9b1fb0182e7 100644
--- a/sys/amd64/conf/GENERIC
+++ b/sys/amd64/conf/GENERIC
@@ -31,6 +31,7 @@ options 	VIMAGE			# Subsystem virtualization, e.g. VNET
 options 	INET			# InterNETworking
 options 	INET6			# IPv6 communications protocols
 options 	IPSEC_SUPPORT		# Allow kldload of ipsec and tcpmd5
+options		ROUTE_MPATH		# Multipath routing support
 options 	TCP_OFFLOAD		# TCP offload
 options 	TCP_BLACKBOX		# Enhanced TCP event logging
 options 	TCP_HHOOK		# hhook(9) framework for TCP
diff --git a/sys/arm64/conf/GENERIC b/sys/arm64/conf/GENERIC
index f000b85d46c..0f931dd37fd 100644
--- a/sys/arm64/conf/GENERIC
+++ b/sys/arm64/conf/GENERIC
@@ -30,6 +30,7 @@ options 	PREEMPTION		# Enable kernel thread preemption
 options 	VIMAGE			# Subsystem virtualization, e.g. VNET
 options 	INET			# InterNETworking
 options 	INET6			# IPv6 communications protocols
+options		ROUTE_MPATH		# Multipath routing support
 options 	IPSEC_SUPPORT		# Allow kldload of ipsec and tcpmd5
 options 	TCP_HHOOK		# hhook(9) framework for TCP
 options 	TCP_OFFLOAD		# TCP offload
diff --git a/sys/i386/conf/GENERIC b/sys/i386/conf/GENERIC
index 77371bbbafd..c89236d0cbe 100644
--- a/sys/i386/conf/GENERIC
+++ b/sys/i386/conf/GENERIC
@@ -32,6 +32,7 @@ options 	VIMAGE			# Subsystem virtualization, e.g. VNET
 options 	INET			# InterNETworking
 options 	INET6			# IPv6 communications protocols
 options 	IPSEC_SUPPORT		# Allow kldload of ipsec and tcpmd5
+options		ROUTE_MPATH		# Multipath routing support
 options 	TCP_HHOOK		# hhook(9) framework for TCP
 options 	TCP_OFFLOAD		# TCP offload
 options 	SCTP_SUPPORT		# Allow kldload of SCTP
diff --git a/sys/powerpc/conf/GENERIC64 b/sys/powerpc/conf/GENERIC64
index 18eedb7f927..c15a0af2047 100644
--- a/sys/powerpc/conf/GENERIC64
+++ b/sys/powerpc/conf/GENERIC64
@@ -42,6 +42,7 @@ options 	VIMAGE			# Subsystem virtualization, e.g. VNET
 options 	INET			#InterNETworking
 options 	INET6			#IPv6 communications protocols
 options 	IPSEC_SUPPORT		# Allow kldload of ipsec and tcpmd5
+options		ROUTE_MPATH		# Multipath routing support
 options 	TCP_OFFLOAD		# TCP offload
 options 	TCP_BLACKBOX		# Enhanced TCP event logging
 options 	TCP_HHOOK		# hhook(9) framework for TCP
diff --git a/sys/riscv/conf/GENERIC b/sys/riscv/conf/GENERIC
index e6a540b0116..b1384a88c21 100644
--- a/sys/riscv/conf/GENERIC
+++ b/sys/riscv/conf/GENERIC
@@ -31,6 +31,7 @@ options 	INET			# InterNETworking
 options 	INET6			# IPv6 communications protocols
 options 	TCP_HHOOK		# hhook(9) framework for TCP
 options 	IPSEC_SUPPORT		# Allow kldload of ipsec and tcpmd5
+options		ROUTE_MPATH		# Multipath routing support
 options 	TCP_OFFLOAD		# TCP offload
 options 	SCTP_SUPPORT		# Allow kldload of SCTP
 options 	FFS			# Berkeley Fast Filesystem