diff --git a/tests/subsys/settings/performance/prj.conf b/tests/subsys/settings/performance/prj.conf
index 27c208baa0be..a0fc0e1b3a45 100644
--- a/tests/subsys/settings/performance/prj.conf
+++ b/tests/subsys/settings/performance/prj.conf
@@ -5,3 +5,5 @@ CONFIG_ZMS=y
 
 CONFIG_SETTINGS=y
 CONFIG_SETTINGS_RUNTIME=y
+
+CONFIG_PM_PARTITION_SIZE_SETTINGS_STORAGE=0x8000