diff --git a/mu-init.subx b/mu-init.subx
index 26accb8a..8fcf84e3 100644
--- a/mu-init.subx
+++ b/mu-init.subx
@@ -14,21 +14,19 @@ Entry:
   bd/copy-to-ebp 0/imm32
   #
 #?   (main 0 0 Primary-bus-secondary-drive)
-  (set-cursor-position 0 0x30 2)
-  (test-infix)
-#?   # always first run tests
-#?   (run-tests)
-#?   (num-test-failures)  # => eax
-#?   # call main if tests all passed
-#?   {
-#?     3d/compare-eax-and 0/imm32
-#?     75/jump-if-!= break/disp8
-#?     c7 0/subop/copy *Running-tests? 0/imm32/false
-#?     (clear-real-screen)
-#?     c7 0/subop/copy *Real-screen-cursor-x 0/imm32
-#?     c7 0/subop/copy *Real-screen-cursor-y 0/imm32
-#?     (main 0 0 Primary-bus-secondary-drive)
-#?   }
+  # always first run tests
+  (run-tests)
+  (num-test-failures)  # => eax
+  # call main if tests all passed
+  {
+    3d/compare-eax-and 0/imm32
+    75/jump-if-!= break/disp8
+    c7 0/subop/copy *Running-tests? 0/imm32/false
+    (clear-real-screen)
+    c7 0/subop/copy *Real-screen-cursor-x 0/imm32
+    c7 0/subop/copy *Real-screen-cursor-y 0/imm32
+    (main 0 0 Primary-bus-secondary-drive)
+  }
 
   # hang indefinitely
   {
diff --git a/shell/infix.mu b/shell/infix.mu
index c9115f39..2239ab77 100644
--- a/shell/infix.mu
+++ b/shell/infix.mu
@@ -169,6 +169,11 @@ fn transform-infix-2 _x-ah: (addr handle cell), trace: (addr trace), at-head-of-
     # scan past first three elements
     var first-ah/ecx: (addr handle cell) <- get x, left
     var rest-ah/esi: (addr handle cell) <- get x, right
+    {
+      var quote-or-unquote?/eax: boolean <- quote-or-unquote? first-ah
+      compare quote-or-unquote?, 0/false
+    }
+    break-if-!=
     var rest/eax: (addr cell) <- lookup *rest-ah
     {
       var continue?/eax: boolean <- not-null-not-nil-pair? rest
@@ -392,6 +397,7 @@ fn test-infix {
   check-infix "~a+b", "(+ (~ a) b)", "F - test-infix/unary-complement"
   check-infix "(n * n-1)", "(* n (- n 1))", "F - test-infix/no-spaces-over-spaces"
   check-infix "`(a + b)", "`(+ a b)", "F - test-infix/backquote"
+  check-infix "`(+ a b)", "`(+ a b)", "F - test-infix/backquote-2"
   check-infix ",@a+b", ",@(+ a b)", "F - test-infix/unquote-splice"
   check-infix ",@(a + b)", ",@(+ a b)", "F - test-infix/unquote-splice-2"
 }
diff --git a/shell/macroexpand.mu b/shell/macroexpand.mu
index 74f0e9c5..f65ead85 100644
--- a/shell/macroexpand.mu
+++ b/shell/macroexpand.mu
@@ -416,7 +416,7 @@ fn test-macroexpand {
   var dummy/eax: boolean <- macroexpand-iter result-ah, globals, trace
   var error?/eax: boolean <- has-errors? trace
   check-not error?, "F - test-macroexpand/error"
-#?   dump-cell-from-cursor-over-full-screen result-ah
+#?   dump-cell-from-cursor-over-full-screen result-ah, 4/fg 0/bg
   var _result/eax: (addr cell) <- lookup *result-ah
   var result/edi: (addr cell) <- copy _result
   # expected