diff --git a/quarkus/runtime/src/main/java/org/keycloak/quarkus/runtime/configuration/PersistedConfigSource.java b/quarkus/runtime/src/main/java/org/keycloak/quarkus/runtime/configuration/PersistedConfigSource.java
index b9260d752f..ae0fe224c3 100644
--- a/quarkus/runtime/src/main/java/org/keycloak/quarkus/runtime/configuration/PersistedConfigSource.java
+++ b/quarkus/runtime/src/main/java/org/keycloak/quarkus/runtime/configuration/PersistedConfigSource.java
@@ -64,7 +64,7 @@ public final class PersistedConfigSource extends PropertiesConfigSource {
             return value;
         }
 
-        return null;
+        return super.getValue(propertyName.replace('-', '.'));
     }
 
     private static Map<String, String> readProperties() {