diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index de605ee..815a7fe 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -164,7 +164,7 @@ if (EMSCRIPTEN)
     -sASYNCIFY=1
     -sASYNCIFY_IGNORE_INDIRECT=1
     -sASYNCIFY_REMOVE=SDL_Delay
-    -sASYNCIFY_IMPORTS=muspcm_load_no,muspcm_load_data,muspcm_load_mixlr,muspcm_waitend,wait_vsync,load_mincho_font
+    -sASYNCIFY_IMPORTS=wait_vsync
     -sASYNCIFY_ADD=commands2F60,nact_main,send_agsevent,cb_waitkey_sprite
     -sALLOW_MEMORY_GROWTH=1
     -sNO_EXIT_RUNTIME=1
diff --git a/src/font.c b/src/font.c
index 2be80a0..8a82c12 100644
--- a/src/font.c
+++ b/src/font.c
@@ -235,9 +235,7 @@ boolean font_get_antialias(void) {
 }
 
 #ifdef __EMSCRIPTEN__
-EM_JS(int, load_mincho_font, (void), {
-	return Asyncify.handleSleep(function(wakeUp) {
-		xsystem35.load_mincho_font().then(wakeUp);
-	});
+EM_ASYNC_JS(int, load_mincho_font, (void), {
+	await xsystem35.load_mincho_font();
 });
 #endif
diff --git a/src/pcm.emscripten.c b/src/pcm.emscripten.c
index 39e4467..ec10778 100644
--- a/src/pcm.emscripten.c
+++ b/src/pcm.emscripten.c
@@ -36,16 +36,16 @@ EM_JS(int, muspcm_reset, (void), {
 	return xsystem35.audio.pcm_reset();;
 });
 
-EM_JS(int, muspcm_load_no, (int slot, int no), {  // async
-	return Asyncify.handleSleep((wakeUp) => xsystem35.audio.pcm_load(slot, no, wakeUp));
+EM_ASYNC_JS(int, muspcm_load_no, (int slot, int no), {
+	return await xsystem35.audio.pcm_load(slot, no);
 });
 
-EM_JS(int, muspcm_load_data, (int slot, uint8_t *buf, uint32_t len), {  // async
-	return Asyncify.handleSleep((wakeUp) => xsystem35.audio.pcm_load_data(slot, buf, len, wakeUp));
+EM_ASYNC_JS(int, muspcm_load_data, (int slot, uint8_t *buf, uint32_t len), {
+	return await xsystem35.audio.pcm_load_data(slot, buf, len);
 });
 
-EM_JS(int, muspcm_load_mixlr, (int slot, int noL, int noR), {  // async
-	return Asyncify.handleSleep((wakeUp) => xsystem35.audio.pcm_load_mixlr(slot, noL, noR, wakeUp));
+EM_ASYNC_JS(int, muspcm_load_mixlr, (int slot, int noL, int noR), {
+	return await xsystem35.audio.pcm_load_mixlr(slot, noL, noR);
 });
 
 EM_JS(int, muspcm_unload, (int slot), {
@@ -91,6 +91,6 @@ EM_JS(boolean, muspcm_isplaying, (int slot), {
 	return xsystem35.audio.pcm_isplaying(slot);
 });
 
-EM_JS(int, muspcm_waitend, (int slot), {  // async
-	return Asyncify.handleSleep((wakeUp) => xsystem35.audio.pcm_waitend(slot, wakeUp));
+EM_ASYNC_JS(int, muspcm_waitend, (int slot), {
+	return await xsystem35.audio.pcm_waitend(slot);
 });