diff --git a/core/decorators.py b/core/decorators.py
index 56b2ead..76cb9c8 100644
--- a/core/decorators.py
+++ b/core/decorators.py
@@ -27,6 +27,12 @@ def scrollable(func):
         text = func(module, widget)
         if not text:
             return text
+
+        if text != widget.get("__content__", text):
+            widget.set("scrolling.start", 0)
+            widget.set("scrolling.direction", "right")
+        widget.set("__content__", text)
+
         width = widget.get(
             "theme.width", util.format.asint(module.parameter("width", 30))
         )
diff --git a/tests/core/test_decorators.py b/tests/core/test_decorators.py
index bbf7691..fb2878d 100644
--- a/tests/core/test_decorators.py
+++ b/tests/core/test_decorators.py
@@ -62,5 +62,13 @@ class config(unittest.TestCase):
         self.assertEqual("bc", self.module.get(self.widget))
         self.assertEqual("cd", self.module.get(self.widget))
 
+    def test_changed_data(self):
+        self.module.text = "abcd"
+        self.module.set("width", 2)
+        self.assertEqual("ab", self.module.get(self.widget))
+        self.assertEqual("bc", self.module.get(self.widget))
+        self.module.text = "wxyz"
+        self.assertEqual("wx", self.module.get(self.widget))
+
 
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