diff --git a/configs/sim/nsh/defconfig b/configs/sim/nsh/defconfig
index b7d9b475581..0d2f896e916 100644
--- a/configs/sim/nsh/defconfig
+++ b/configs/sim/nsh/defconfig
@@ -390,7 +390,14 @@ CONFIG_FS_ROMFS=y
 # CONFIG_FS_TMPFS is not set
 # CONFIG_FS_SMARTFS is not set
 CONFIG_FS_BINFS=y
-# CONFIG_FS_PROCFS is not set
+CONFIG_FS_PROCFS=y
+
+#
+# Exclude individual procfs entries
+#
+# CONFIG_FS_PROCFS_EXCLUDE_PROCESS is not set
+# CONFIG_FS_PROCFS_EXCLUDE_UPTIME is not set
+# CONFIG_FS_PROCFS_EXCLUDE_MOUNTS is not set
 # CONFIG_FS_UNIONFS is not set
 # CONFIG_FS_HOSTFS is not set
 
@@ -622,6 +629,7 @@ CONFIG_NSH_FILE_APPS=y
 # CONFIG_NSH_DISABLE_HELP is not set
 # CONFIG_NSH_DISABLE_HEXDUMP is not set
 # CONFIG_NSH_DISABLE_IFCONFIG is not set
+# CONFIG_NSH_DISABLE_IFUPDOWN is not set
 # CONFIG_NSH_DISABLE_KILL is not set
 # CONFIG_NSH_DISABLE_LOSETUP is not set
 # CONFIG_NSH_DISABLE_LS is not set
@@ -658,6 +666,7 @@ CONFIG_NSH_DISABLE_SHUTDOWN=y
 # CONFIG_NSH_CMDOPT_DF_H is not set
 CONFIG_NSH_CODECS_BUFSIZE=128
 # CONFIG_NSH_CMDOPT_HEXDUMP is not set
+CONFIG_NSH_PROC_MOUNTPOINT="/proc"
 CONFIG_NSH_FILEIOSIZE=1024
 
 #