diff --git a/src/Mod/Path/PathScripts/PathSanity.py b/src/Mod/Path/PathScripts/PathSanity.py
index fdb27ec105..edbbbc5b44 100644
--- a/src/Mod/Path/PathScripts/PathSanity.py
+++ b/src/Mod/Path/PathScripts/PathSanity.py
@@ -482,6 +482,8 @@ class CommandPathSanity:
 
         try:
             for TC in obj.ToolController:
+                if not hasattr(TC.Tool, 'BitBody'):
+                    continue  # skip old-style tools
                 tooldata = data.setdefault(str(TC.ToolNumber), {})
                 bitshape = tooldata.setdefault('BitShape', "")
                 if bitshape not in ["", TC.Tool.BitShape]: