diff --git a/ldt.lua b/ldt.lua
index c570c07..9794e89 100644
--- a/ldt.lua
+++ b/ldt.lua
@@ -1278,9 +1278,12 @@ ldb = {
     return C.endwin()
   end,
   guard = function(fn, ...)
-    return xpcall(fn, (function(err_msg)
-      return xpcall(ldb.run_debugger, err_hand, err_msg)
-    end), ...)
+    local handler
+    handler = function(err_msg)
+      xpcall(ldb.run_debugger, err_hand, err_msg)
+      return print(debug.traceback(err_msg, 2))
+    end
+    return xpcall(fn, handler, ...)
   end,
   breakpoint = function()
     return xpcall(ldb.run_debugger, err_hand, "Breakpoint triggered!")
diff --git a/ldt.moon b/ldt.moon
index 9810736..c234c85 100644
--- a/ldt.moon
+++ b/ldt.moon
@@ -895,7 +895,10 @@ ldb = {
         C.endwin!
 
     guard: (fn, ...)->
-        return xpcall(fn, ((err_msg)-> xpcall(ldb.run_debugger, err_hand, err_msg)), ...)
+        handler = (err_msg)->
+            xpcall(ldb.run_debugger, err_hand, err_msg)
+            print(debug.traceback(err_msg, 2))
+        return xpcall(fn, handler, ...)
 
     breakpoint: ->
         return xpcall(ldb.run_debugger, err_hand, "Breakpoint triggered!")