diff --git a/src/dsp/bios_table.c b/src/dsp/bios_table.c
index e595c00..f7c1206 100644
--- a/src/dsp/bios_table.c
+++ b/src/dsp/bios_table.c
@@ -887,7 +887,7 @@
 
 static size_t pad_size_get(size_t size_without_pad)
 {
-	return ((size_without_pad % 4) ? (4 - size_without_pad % 4) : 0);
+	return (4 - (size_without_pad % 4)) % 4;
 }
 
 static uint8_t *pad_append(uint8_t *table_end, size_t pad_size)