diff --git a/lib/dma-debug.c b/lib/dma-debug.c
index 01e6427..4bfb047 100644
--- a/lib/dma-debug.c
+++ b/lib/dma-debug.c
@@ -590,6 +590,7 @@
 static const struct file_operations filter_fops = {
 	.read  = filter_read,
 	.write = filter_write,
+	.llseek = default_llseek,
 };
 
 static int dma_debug_fs_init(void)