diff --git a/unix/syscall_linux_arm.go b/unix/syscall_linux_arm.go
index cd2dd797..ecf92bfa 100644
--- a/unix/syscall_linux_arm.go
+++ b/unix/syscall_linux_arm.go
@@ -82,6 +82,9 @@ func Time(t *Time_t) (Time_t, error) {
 }
 
 func Utime(path string, buf *Utimbuf) error {
+	if buf == nil {
+		return Utimes(path, nil)
+	}
 	tv := []Timeval{
 		{Sec: buf.Actime},
 		{Sec: buf.Modtime},
diff --git a/unix/syscall_linux_arm64.go b/unix/syscall_linux_arm64.go
index 745e5c7e..17373807 100644
--- a/unix/syscall_linux_arm64.go
+++ b/unix/syscall_linux_arm64.go
@@ -113,6 +113,9 @@ func Time(t *Time_t) (Time_t, error) {
 }
 
 func Utime(path string, buf *Utimbuf) error {
+	if buf == nil {
+		return Utimes(path, nil)
+	}
 	tv := []Timeval{
 		{Sec: buf.Actime},
 		{Sec: buf.Modtime},
diff --git a/unix/syscall_linux_loong64.go b/unix/syscall_linux_loong64.go
index dd2262a4..a3fd1d0b 100644
--- a/unix/syscall_linux_loong64.go
+++ b/unix/syscall_linux_loong64.go
@@ -150,6 +150,9 @@ func Time(t *Time_t) (Time_t, error) {
 }
 
 func Utime(path string, buf *Utimbuf) error {
+	if buf == nil {
+		return Utimes(path, nil)
+	}
 	tv := []Timeval{
 		{Sec: buf.Actime},
 		{Sec: buf.Modtime},
diff --git a/unix/syscall_linux_riscv64.go b/unix/syscall_linux_riscv64.go
index 8cf3670b..fc5543c5 100644
--- a/unix/syscall_linux_riscv64.go
+++ b/unix/syscall_linux_riscv64.go
@@ -112,6 +112,9 @@ func Time(t *Time_t) (Time_t, error) {
 }
 
 func Utime(path string, buf *Utimbuf) error {
+	if buf == nil {
+		return Utimes(path, nil)
+	}
 	tv := []Timeval{
 		{Sec: buf.Actime},
 		{Sec: buf.Modtime},