diff --git a/src/Mod/Path/PathScripts/PathSetupSheetOpPrototype.py b/src/Mod/Path/PathScripts/PathSetupSheetOpPrototype.py
index 09474e9eb9..0070e9aa72 100644
--- a/src/Mod/Path/PathScripts/PathSetupSheetOpPrototype.py
+++ b/src/Mod/Path/PathScripts/PathSetupSheetOpPrototype.py
@@ -65,9 +65,11 @@ class Property(object):
     def setupProperty(self, obj, name, category, value):
         created = False
         if not hasattr(obj, name):
+            PathLog.track('add', obj.Name, name, self.propType)
             obj.addProperty(self.propType, name, category, self.info)
             self.initProperty(obj, name)
             created = True
+        PathLog.track('set', obj.Name, name, value, type(value))
         setattr(obj, name, value)
         return created
 
@@ -120,11 +122,6 @@ class PropertyLength(PropertyQuantity):
         return "Length"
 
 
-class PropertyPercent(Property):
-    def typeString(self):
-        return "Percent"
-
-
 class PropertyFloat(Property):
     def typeString(self):
         return "Float"
@@ -141,6 +138,11 @@ class PropertyInteger(Property):
         return int(string)
 
 
+class PropertyPercent(PropertyInteger):
+    def typeString(self):
+        return "Percent"
+
+
 class PropertyBool(Property):
     def typeString(self):
         return "Bool"
diff --git a/src/Mod/Path/PathTests/TestPathSetupSheet.py b/src/Mod/Path/PathTests/TestPathSetupSheet.py
index 5d226ddeb6..9b63124984 100644
--- a/src/Mod/Path/PathTests/TestPathSetupSheet.py
+++ b/src/Mod/Path/PathTests/TestPathSetupSheet.py
@@ -23,9 +23,11 @@
 import FreeCAD
 import PathScripts.PathSetupSheet as PathSetupSheet
 import PathScripts.PathLog as PathLog
+import json
 import sys
 
-PathLog.setLevel(PathLog.Level.DEBUG, PathLog.thisModule())
+#PathLog.setLevel(PathLog.Level.DEBUG, PathLog.thisModule())
+#PathLog.trackModule(PathLog.thisModule())
 
 from PathTests.PathTestUtils import PathTestBase
 
@@ -33,6 +35,22 @@ from PathTests.PathTestUtils import PathTestBase
 def refstring(string):
     return string.replace(" u'", " '")
 
+class SomeOp (object):
+    def __init__(self, obj):
+        PathLog.track(obj, type(obj))
+        obj.addProperty('App::PropertyPercent', 'StepOver', 'Base', 'Some help you are')
+
+    @classmethod
+    def SetupProperties(cls):
+        return ['StepOver']
+
+    @classmethod
+    def Create(cls, name, obj=None, parentJob=None):
+        PathLog.track(name, obj)
+        if obj is None:
+            obj = FreeCAD.ActiveDocument.addObject("Path::FeaturePython", name)
+        obj.Proxy = SomeOp(obj)
+        return obj
 
 class TestPathSetupSheet(PathTestBase):
     def setUp(self):
@@ -300,3 +318,32 @@ class TestPathSetupSheet(PathTestBase):
         dec = s2.decodeTemplateAttributes(encoded)
         # pick one
         self.assertEqual(dec["01"][0]["11"], "SetupSheet001.y")
+
+    def test20(self):
+        """Verify SetupSheet template op attributes roundtrip."""
+
+        opname = 'whoop'
+
+        o1 = PathSetupSheet.Create()
+
+        PathSetupSheet.RegisterOperation(opname, SomeOp.Create, SomeOp.SetupProperties)
+        ptt = PathSetupSheet._RegisteredOps[opname].prototype('whoopsy')
+        pptt = ptt.getProperty('StepOver')
+        pptt.setupProperty(o1, PathSetupSheet.OpPropertyName(opname, pptt.name), PathSetupSheet.OpPropertyGroup(opname), 75)
+
+        # save setup sheet in json "file"
+        attrs = o1.Proxy.templateAttributes(False, False, False, False, [opname])
+        encdd = o1.Proxy.encodeTemplateAttributes(attrs)
+        j1 = json.dumps({'SetupSheet' : encdd}, sort_keys=True, indent=2)
+
+        # restore setup sheet from json "file"
+        j2 = json.loads(j1)
+
+        o2 = PathSetupSheet.Create()
+        o2.Proxy.setFromTemplate(j2['SetupSheet'])
+
+        op = SomeOp.Create(opname)
+        self.assertEqual(op.StepOver, 0)
+        o2.Proxy.setOperationProperties(op, opname)
+        self.assertEqual(op.StepOver, 75)
+