diff --git a/helper/bwrap/config.go b/helper/bwrap/config.go
index c20a33b..4163a7d 100644
--- a/helper/bwrap/config.go
+++ b/helper/bwrap/config.go
@@ -127,16 +127,16 @@ type Config struct {
 
 	// mount new procfs in sandbox
 	// (--proc DEST)
-	Procfs []PermConfig[string] `json:"proc,omitempty"`
+	Procfs []string `json:"proc,omitempty"`
 	// mount new dev in sandbox
 	// (--dev DEST)
-	DevTmpfs []PermConfig[string] `json:"dev,omitempty"`
+	DevTmpfs []string `json:"dev,omitempty"`
 	// mount new tmpfs in sandbox
 	// (--tmpfs DEST)
 	Tmpfs []PermConfig[TmpfsConfig] `json:"tmpfs,omitempty"`
 	// mount new mqueue in sandbox
 	// (--mqueue DEST)
-	Mqueue []PermConfig[string] `json:"mqueue,omitempty"`
+	Mqueue []string `json:"mqueue,omitempty"`
 	// create dir in sandbox
 	// (--dir DEST)
 	Dir []PermConfig[string] `json:"dir,omitempty"`
diff --git a/helper/bwrap/config.interface.go b/helper/bwrap/config.interface.go
index eb559c1..f68df83 100644
--- a/helper/bwrap/config.interface.go
+++ b/helper/bwrap/config.interface.go
@@ -1,10 +1,7 @@
 package bwrap
 
 const (
-	Procfs = iota
-	DevTmpfs
-	Tmpfs
-	Mqueue
+	Tmpfs = iota
 	Dir
 	Symlink
 
@@ -12,10 +9,7 @@ const (
 )
 
 var interfaceArgs = func() (g [interfaceC]string) {
-	g[Procfs] = "--proc"
-	g[DevTmpfs] = "--dev"
 	g[Tmpfs] = "--tmpfs"
-	g[Mqueue] = "--mqueue"
 	g[Dir] = "--dir"
 	g[Symlink] = "--symlink"
 
@@ -23,10 +17,7 @@ var interfaceArgs = func() (g [interfaceC]string) {
 }()
 
 func (c *Config) interfaceArgs() (g [interfaceC][]argOf) {
-	g[Procfs] = copyToArgOfSlice(c.Procfs)
-	g[DevTmpfs] = copyToArgOfSlice(c.DevTmpfs)
 	g[Tmpfs] = copyToArgOfSlice(c.Tmpfs)
-	g[Mqueue] = copyToArgOfSlice(c.Mqueue)
 	g[Dir] = copyToArgOfSlice(c.Dir)
 	g[Symlink] = copyToArgOfSlice(c.Symlink)
 
diff --git a/helper/bwrap/config.string.go b/helper/bwrap/config.string.go
index c5c7a41..2aa05be 100644
--- a/helper/bwrap/config.string.go
+++ b/helper/bwrap/config.string.go
@@ -6,6 +6,9 @@ const (
 	UnsetEnv
 	LockFile
 	RemountRO
+	Procfs
+	DevTmpfs
+	Mqueue
 
 	stringC
 )
@@ -16,6 +19,9 @@ var stringArgs = func() (n [stringC]string) {
 	n[UnsetEnv] = "--unsetenv"
 	n[LockFile] = "--lock-file"
 	n[RemountRO] = "--remount-ro"
+	n[Procfs] = "--proc"
+	n[DevTmpfs] = "--dev"
+	n[Mqueue] = "--mqueue"
 
 	return
 }()
@@ -30,6 +36,9 @@ func (c *Config) stringArgs() (n [stringC][]string) {
 	n[UnsetEnv] = c.UnsetEnv
 	n[LockFile] = c.LockFile
 	n[RemountRO] = c.RemountRO
+	n[Procfs] = c.Procfs
+	n[DevTmpfs] = c.DevTmpfs
+	n[Mqueue] = c.Mqueue
 
 	return
 }