diff --git a/src/dsp/bios_table.c b/src/dsp/bios_table.c
index 34258af..e595c00 100644
--- a/src/dsp/bios_table.c
+++ b/src/dsp/bios_table.c
@@ -988,6 +988,10 @@
 {
 	ssize_t len;
 
+	if (!iter) {
+		return true;
+	}
+
 	if (iter->table_len - iter->current_pos <= pad_and_check_max) {
 		return true;
 	}