diff --git a/tools/lkl/Makefile.autoconf b/tools/lkl/Makefile.autoconf
index af14b36cf5af4b..bb523f49cd2e90 100644
--- a/tools/lkl/Makefile.autoconf
+++ b/tools/lkl/Makefile.autoconf
@@ -38,6 +38,11 @@ define aarch64_host
   $(call set_autoconf_var,AARCH64,y)
 endef
 
+define riscv64_host
+  $(call set_autoconf_var,RISCV64,y)
+  LDFLAGS += -Wl,--no-relax
+endef
+
 define virtio_net_dpdk
   $(call set_autoconf_var,VIRTIO_NET_DPDK,y)
   RTE_SDK ?= $(OUTPUT)/dpdk-17.02
@@ -75,6 +80,7 @@ define posix_host
   $(if $(filter $(1),elf64-x86-64-freebsd),$(call bsd_host))
   $(if $(filter $(1),elf32-littlearm),$(call arm_host))
   $(if $(filter $(1),elf64-littleaarch64),$(call aarch64_host))
+  $(if $(filter $(1),elf64-littleriscv),$(call riscv64_host))
   $(if $(filter yes,$(dpdk)),$(call virtio_net_dpdk))
   $(if $(filter yes,$(vde)),$(call virtio_net_vde))
   $(if $(strip $(call find_include,fuse3/fuse.h)),$(call set_autoconf_var,FUSE,y))
diff --git a/tools/lkl/Targets b/tools/lkl/Targets
index 741462c8dd21f1..9c31b76a4fae1f 100644
--- a/tools/lkl/Targets
+++ b/tools/lkl/Targets
@@ -9,6 +9,7 @@ LDFLAGS_lib/hijack/liblkl-hijack-y += -shared -nodefaultlibs
 LDLIBS_lib/hijack/liblkl-hijack-y += -ldl
 LDLIBS_lib/hijack/liblkl-hijack-$(LKL_HOST_CONFIG_ARM) += -lgcc -lc
 LDLIBS_lib/hijack/liblkl-hijack-$(LKL_HOST_CONFIG_AARCH64) += -lgcc -lc
+LDLIBS_lib/hijack/liblkl-hijack-$(LKL_HOST_CONFIG_RISCV64) += -lgcc -lc
 LDLIBS_lib/hijack/liblkl-hijack-$(LKL_HOST_CONFIG_I386) += -lc_nonshared
 
 LDFLAGS_lib/hijack/liblkl-zpoline-$(LKL_HOST_CONFIG_POSIX) += -shared -nodefaultlibs