2 files changed, 2 insertions, 2 deletions
diff --git a/c/echo.c b/c/echo.c
index 59153d3..b1d20f3 100644
--- a/c/echo.c
+++ b/c/echo.c
@@ -53,7 +53,7 @@ static const uint8_t psg_volumes[] = {
 // param list: pointer to instrument list
 //***************************************************************************
 
-void echo_init(const void **list) {
+void echo_init(const void* const* list) {
    // Take over the Z80
    Z80_RESET();
    Z80_REQUEST();
diff --git a/c/echo.h b/c/echo.h
index c1d6062..dd89600 100644
--- a/c/echo.h
+++ b/c/echo.h
@@ -24,7 +24,7 @@ enum {
 #define ECHO_STAT_BUSY     0x8000   /* Echo still didn't parse command */
 
 /* Function prototypes */
-void echo_init(const void **list);
+void echo_init(const void* const* list);
 void echo_play_bgm(const void *esf);
 void echo_stop_bgm(void);
 void echo_pause_bgm(void);