diff --git a/build/fbcode_builder/getdeps/builder.py b/build/fbcode_builder/getdeps/builder.py
index 669f8ddfd..89d38f7ee 100644
--- a/build/fbcode_builder/getdeps/builder.py
+++ b/build/fbcode_builder/getdeps/builder.py
@@ -877,7 +877,9 @@ if __name__ == "__main__":
                 if test_filter:
                     testpilot_args += ["--", test_filter]
 
-                if schedule_type == "continuous":
+                if schedule_type == "diff":
+                    runs.append(["--collection", "oss-diff", "--purpose", "diff"])
+                elif schedule_type == "continuous":
                     runs.append(
                         [
                             "--tag-new-tests",
@@ -913,7 +915,7 @@ if __name__ == "__main__":
                         ]
                     )
                 else:
-                    runs.append(["--collection", "oss-diff", "--purpose", "diff"])
+                    runs.append([])
 
                 for run in runs:
                     self._run_cmd(