diff --git a/tests/test_admin_gating.py b/tests/test_admin_gating.py
index 06dc1adf..6ca61f56 100644
--- a/tests/test_admin_gating.py
+++ b/tests/test_admin_gating.py
@@ -16,7 +16,7 @@ import tempfile
 
 import pytest
 
-_TMP = tempfile.mkdtemp(prefix='ss-admin-gate-')
+_TMP = tempfile.mkdtemp(prefix='soulsync-testdb-gate-')
 os.environ['DATABASE_PATH'] = os.path.join(_TMP, 'gate.db')
 os.environ['SOULSYNC_TEST_DB_READY'] = '1'
 
diff --git a/tests/test_credentials_endpoints.py b/tests/test_credentials_endpoints.py
index 575e3378..287fee5b 100644
--- a/tests/test_credentials_endpoints.py
+++ b/tests/test_credentials_endpoints.py
@@ -17,7 +17,7 @@ import tempfile
 import pytest
 
 # Redirect the DB before importing web_server so it never touches a real library.
-_TMP = tempfile.mkdtemp(prefix='ss-cred-ep-')
+_TMP = tempfile.mkdtemp(prefix='soulsync-testdb-cred-')
 os.environ['DATABASE_PATH'] = os.path.join(_TMP, 'creds_ep.db')
 os.environ['SOULSYNC_TEST_DB_READY'] = '1'