diff --git a/scorch.xex b/scorch.xex
index f884d61..20efe8d 100644
Binary files a/scorch.xex and b/scorch.xex differ
diff --git a/textproc.asm b/textproc.asm
index bc1358c..8356be4 100644
--- a/textproc.asm
+++ b/textproc.asm
@@ -1850,9 +1850,13 @@ MainTanksFloatingLoop
     ldx #(MaxPlayers-1)   ;maxNumberOfPlayers-1
 AllTanksFloatingDown    
     stx TankNr
+    lda Ytankstable,x
+	cmp #72		; tank under screen - no erase
+	bcs NoEraseTank
 	mva #1 Erase
     jsr DrawTankNr
 	mva #0 Erase
+NoEraseTank
 	ldx TankNr
     inc Ytankstable,x
     lda Ytankstable,x