diff --git a/config/kernel/kernel.config.armv5tel-ipfire-multi b/config/kernel/kernel.config.armv5tel-ipfire-multi
index 15183300f..5687574ca 100644
--- a/config/kernel/kernel.config.armv5tel-ipfire-multi
+++ b/config/kernel/kernel.config.armv5tel-ipfire-multi
@@ -279,7 +279,8 @@ CONFIG_CLONE_BACKWARDS=y
 CONFIG_OLD_SIGSUSPEND3=y
 CONFIG_OLD_SIGACTION=y
 # CONFIG_CPU_NO_EFFICIENT_FFS is not set
-# CONFIG_HAVE_ARCH_VMAP_STACK is not set
+CONFIG_HAVE_ARCH_VMAP_STACK=y
+CONFIG_VMAP_STACK=y
 CONFIG_ARCH_OPTIONAL_KERNEL_RWX=y
 CONFIG_ARCH_OPTIONAL_KERNEL_RWX_DEFAULT=y
 CONFIG_ARCH_HAS_STRICT_KERNEL_RWX=y
diff --git a/config/kernel/kernel.config.i586-ipfire b/config/kernel/kernel.config.i586-ipfire
index 578931497..9326d086b 100644
--- a/config/kernel/kernel.config.i586-ipfire
+++ b/config/kernel/kernel.config.i586-ipfire
@@ -309,7 +309,8 @@ CONFIG_CLONE_BACKWARDS=y
 CONFIG_OLD_SIGSUSPEND3=y
 CONFIG_OLD_SIGACTION=y
 # CONFIG_CPU_NO_EFFICIENT_FFS is not set
-# CONFIG_HAVE_ARCH_VMAP_STACK is not set
+CONFIG_HAVE_ARCH_VMAP_STACK=y
+CONFIG_VMAP_STACK=y
 # CONFIG_ARCH_OPTIONAL_KERNEL_RWX is not set
 # CONFIG_ARCH_OPTIONAL_KERNEL_RWX_DEFAULT is not set
 CONFIG_ARCH_HAS_STRICT_KERNEL_RWX=y