diff --git a/lumber.asm b/lumber.asm
index a9f4ae6..ad1764c 100644
--- a/lumber.asm
+++ b/lumber.asm
@@ -840,15 +840,15 @@ next_phase_only
     mva branches_list+2 branches_list+3
     mva branches_list+1 branches_list+2
     mva branches_list+0 branches_list+1
-    beq make_random_branch
-    lda #0
-    beq branch_ready
 make_random_branch
-    lda RANDOM  ; 0, 1 or 2
-    and #%00000011
-    cmp #3
-    bne branch_ready
-    lda #0
+    lda RANDOM  ; branch or not (50%)
+    and #%00000001
+    beq branch_ready    ; no branches
+    lda RANDOM  ; left or right (50%)
+    and #%00000001
+    tax
+    inx
+    txa
 branch_ready
     sta branches_list+0
     rts
diff --git a/lumber.xex b/lumber.xex
index 588a126..a6f1a79 100644
Binary files a/lumber.xex and b/lumber.xex differ