diff --git a/tests/test_issues_server.py b/tests/test_issues_server.py
index e499e61c66890b0423475549a732e2864a3648c3..31fae1633860aa49bd9022884a43718e3b1f6ca7 100644
--- a/tests/test_issues_server.py
+++ b/tests/test_issues_server.py
@@ -180,7 +180,7 @@ def test_issue_99():
         dbfile = cont[0]
 
         # Checksum should exist after a short time
-        time.sleep(0.1)
+        time.sleep(1)
         dbfile.retrieve()
         assert dbfile.checksum is not None