diff --git a/src/os/file.go b/src/os/file.go
index 79e8fc3..f332bc8 100644
--- a/src/os/file.go
+++ b/src/os/file.go
@@ -204,14 +204,15 @@
 func Mkdir(name string, perm FileMode) error {
 	e := syscall.Mkdir(name, syscallMode(perm))
 
-	// mkdir(2) itself won't handle the sticky bit on *BSD and Solaris
-	if !supportsCreateWithStickyBit && e == nil && perm&ModeSticky != 0 {
-		e = Chmod(name, perm)
-	}
-
 	if e != nil {
 		return &PathError{"mkdir", name, e}
 	}
+
+	// mkdir(2) itself won't handle the sticky bit on *BSD and Solaris
+	if !supportsCreateWithStickyBit && perm&ModeSticky != 0 {
+		Chmod(name, perm)
+	}
+
 	return nil
 }
 
diff --git a/src/os/file_unix.go b/src/os/file_unix.go
index fbe05c6..3fb70d6 100644
--- a/src/os/file_unix.go
+++ b/src/os/file_unix.go
@@ -88,8 +88,8 @@
 	}
 
 	// open(2) itself won't handle the sticky bit on *BSD and Solaris
-	if chmod && e == nil {
-		e = Chmod(name, perm)
+	if chmod {
+		Chmod(name, perm)
 	}
 
 	// There's a race here with fork/exec, which we are