diff --git a/src/apple2.dec.c b/src/apple2.dec.c
index bd3e8a8..6b5f15d 100644
--- a/src/apple2.dec.c
+++ b/src/apple2.dec.c
@@ -99,7 +99,7 @@ apple2_dec_track(vm_segment *dest, vm_segment *src, int doff, int track)
         }
 
         doff += sectlen;
-        soff += ENC_ESECTOR;
+        soff += ENC_ESECTOR + ENC_ESECTOR_HEADER;
     }
 
     // Something isn't right...