diff --git a/grafproc.asm b/grafproc.asm
index 154aac6..dc7b807 100644
--- a/grafproc.asm
+++ b/grafproc.asm
@@ -2088,7 +2088,7 @@ X    lda XtanksTableL,x
     sbc #90
     tax
     ; barrel start offset over 90deg
-    adw xdraw #5 xdraw
+    adw xdraw #4 xdraw
     mva #1 goleft
     bpl @+  ; jmp @+
 
diff --git a/scorch.bin b/scorch.bin
index f115fa0..cc674f0 100644
Binary files a/scorch.bin and b/scorch.bin differ
diff --git a/scorch.xex b/scorch.xex
index 4bcfd74..d352211 100644
Binary files a/scorch.xex and b/scorch.xex differ