diff --git a/pysollib/games/spider.py b/pysollib/games/spider.py
index ccbbc419..eefdd504 100644
--- a/pysollib/games/spider.py
+++ b/pysollib/games/spider.py
@@ -329,7 +329,7 @@ class Rachel(pysollib.game.StartDealRowAndCards, RelaxedSpider):
 # * Scorpion Tail - building down by alternate color
 # ************************************************************************
 
-class Scorpion_RowStack(Spider_RowStack, Yukon_SS_RowStack):
+class Scorpion_RowStack(Yukon_SS_RowStack, Spider_RowStack):
     canDropCards = Spider_RowStack.canDropCards
 
 
diff --git a/pysollib/stack.py b/pysollib/stack.py
index ad029fdd..f972991d 100644
--- a/pysollib/stack.py
+++ b/pysollib/stack.py
@@ -2474,6 +2474,8 @@ class BasicRowStack(OpenStack):
 
 # Abstract class.
 class SequenceRowStack(SequenceStack_StackMethods, BasicRowStack):
+    canMoveCards = OpenStack.canMoveCards
+
     def __init__(self, x, y, game, **cap):
         kwdefault(cap, max_move=999999, max_accept=999999)
         BasicRowStack.__init__(self, x, y, game, **cap)
diff --git a/tests/lib/pysol_tests/scorpion_canMove.py b/tests/lib/pysol_tests/scorpion_canMove.py
index 650fb986..aab00015 100644
--- a/tests/lib/pysol_tests/scorpion_canMove.py
+++ b/tests/lib/pysol_tests/scorpion_canMove.py
@@ -39,7 +39,7 @@ class Mock_S_Game:
 
 
 class MyTests(unittest.TestCase):
-    def test_import(self):
+    def test_canMoveCards(self):
         g = MockGame()
         stack = Scorpion_RowStack(0, 0, g)
         cards = [
@@ -53,3 +53,18 @@ class MyTests(unittest.TestCase):
             stack.addCard(c)
         stack.canMoveCards(stack.cards[6:])
         self.assertTrue(stack)
+
+    def test_canMoveCards_non_top(self):
+        g = MockGame()
+        stack = Scorpion_RowStack(0, 0, g)
+        cards = [
+            AbstractCard(1000+r*100+s*10, 0, s, r, g)
+            for s, r in [(2, 5), (3, 7), (2, 7), (2, 0),
+                         (2, 3), (2, 4), (1, 4)]
+            ]
+        for c in cards:
+            c.face_up = True
+            c.item = MockItem()
+            stack.addCard(c)
+        self.assertTrue(stack.canMoveCards(stack.cards[4:]))
+        self.assertTrue(stack)