diff --git a/examples/cx16/zsound/play-pcm.p8 b/examples/cx16/zsound/play-pcm.p8
index dde57a56c..2d2bd5e88 100644
--- a/examples/cx16/zsound/play-pcm.p8
+++ b/examples/cx16/zsound/play-pcm.p8
@@ -24,6 +24,7 @@ zsound_lib:
 
     const ubyte digi_bank = 1
     const uword digi_address = $a000
+    const ubyte zcm_DIGITAB_size = 8        ; header size
 
     sub start() {
         txt.print("zsound pcm digi demo program!\n")
@@ -33,6 +34,11 @@ zsound_lib:
             return
         }
 
+        cx16.rambank(digi_bank)
+        ; initialize header pointer of the zcm to point to actual sample data
+        poke(digi_address+2, digi_bank)
+        pokew(digi_address, digi_address+zcm_DIGITAB_size)
+
         pcm_init()
         txt.print("playing digi! hit enter to stop.\n")
         pcm_trigger_digi(digi_bank, digi_address)
diff --git a/examples/cx16/zsound/play-zsm.p8 b/examples/cx16/zsound/play-zsm.p8
index c11e22258..a7d9161c2 100644
--- a/examples/cx16/zsound/play-zsm.p8
+++ b/examples/cx16/zsound/play-zsm.p8
@@ -36,7 +36,7 @@ zsound_lib:
     romsub $0850 = zsm_clearcallback() clobbers(A)
     romsub $0853 = zsm_get_music_speed() clobbers(A) -> uword @XY
 
-    const ubyte song_bank = 1
+    const ubyte song_bank = 4
     const uword song_address = $a000
 
     sub start() {
@@ -46,7 +46,7 @@ zsound_lib:
             txt.print("?can't load song\n")
             return
         }
-        cx16.rambank(1)  ; ram bank to default
+        cx16.rambank(song_bank)
 
         zsm_init()
         zsm_setcallback(&end_of_song_cb)