diff --git a/tests/test_commands_merge_exr.py b/tests/test_commands_merge_exr.py
index f40bb9fb2ce73f5ecfadeabb759df9ea783cc225..6f2d1371aae683f9ef41964db6b4317b6a296cd7 100644
--- a/tests/test_commands_merge_exr.py
+++ b/tests/test_commands_merge_exr.py
@@ -42,5 +42,8 @@ class MergeProgressiveRendersCommandTest(AbstractCommandTest):
         # Assuming that if the files exist, the merge was ok.
         self.assertTrue(output.exists())
         self.assertTrue(output.is_file())
-        self.assertTrue(output.with_suffix('.jpg').exists())
-        self.assertTrue(output.with_suffix('.jpg').is_file())
+
+        # Sybren disabled preview generation since we don't use those any more
+        # in the studio.
+        # self.assertTrue(output.with_suffix('.jpg').exists())
+        # self.assertTrue(output.with_suffix('.jpg').is_file())