diff --git a/fs/orangefs/orangefs-debugfs.c b/fs/orangefs/orangefs-debugfs.c
index b57140ebfad0..cd4bfd92ebd6 100644
--- a/fs/orangefs/orangefs-debugfs.c
+++ b/fs/orangefs/orangefs-debugfs.c
@@ -354,7 +354,7 @@ static ssize_t orangefs_debug_read(struct file *file,
 		goto out;
 
 	mutex_lock(&orangefs_debug_lock);
-	sprintf_ret = sprintf(buf, "%s", (char *)file->private_data);
+	sprintf_ret = scnprintf(buf, ORANGEFS_MAX_DEBUG_STRING_LEN, "%s", (char *)file->private_data);
 	mutex_unlock(&orangefs_debug_lock);
 
 	read_ret = simple_read_from_buffer(ubuf, count, ppos, buf, sprintf_ret);