1 files changed, 1 insertions, 0 deletions
diff --git a/ym2612.h b/ym2612.h
index 81f678f..860e642 100644
--- a/ym2612.h
+++ b/ym2612.h
@@ -20,6 +20,7 @@
 typedef struct {
 	int16_t  *mod_src[2];
 	uint32_t phase_counter;
+	uint32_t phase_inc;
 	uint16_t envelope;
 	int16_t  output;
 	uint16_t total_level;