diff --git a/wagtail_modeltranslation/tests/models.py b/wagtail_modeltranslation/tests/models.py
index ddfcff9..eec8519 100755
--- a/wagtail_modeltranslation/tests/models.py
+++ b/wagtail_modeltranslation/tests/models.py
@@ -168,7 +168,7 @@ class FieldRowPanelPage(WagtailPage):
 class StreamFieldPanelPage(WagtailPage):
     body = StreamField([
         ('text', blocks.CharBlock(max_length=10))
-    ])
+    ], blank=False)  # since wagtail 1.12 StreamField's blank defaults to False
 
     content_panels = [
         StreamFieldPanel('body')
diff --git a/wagtail_modeltranslation/tests/tests.py b/wagtail_modeltranslation/tests/tests.py
index ed1af1d..d83d5ef 100755
--- a/wagtail_modeltranslation/tests/tests.py
+++ b/wagtail_modeltranslation/tests/tests.py
@@ -219,6 +219,16 @@ class WagtailModeltranslationTest(WagtailModeltranslationTestBase):
         self.assertEquals(child_block[0][0], 'text')
         self.assertIsInstance(child_block[0][1], CharBlock)
 
+        # Original and Default language StreamFields are required
+        self.assertFalse(models.StreamFieldPanelPage.body.field.blank)
+        self.assertTrue(models.StreamFieldPanelPage.body.field.stream_block.required)
+        self.assertFalse(models.StreamFieldPanelPage.body_de.field.blank)
+        self.assertTrue(models.StreamFieldPanelPage.body_de.field.stream_block.required)
+
+        # Translated StreamField is optional
+        self.assertTrue(models.StreamFieldPanelPage.body_en.field.blank)
+        self.assertFalse(models.StreamFieldPanelPage.body_en.field.stream_block.required)
+
     def check_multipanel_patching(self, panels):
         # There are three multifield panels, one for each of the available
         # children panels