diff --git a/app/src/main/java/org/opencord/sadis/impl/SadisConfig.java b/app/src/main/java/org/opencord/sadis/impl/SadisConfig.java
index 42a11af..eb48fe0 100644
--- a/app/src/main/java/org/opencord/sadis/impl/SadisConfig.java
+++ b/app/src/main/java/org/opencord/sadis/impl/SadisConfig.java
@@ -81,6 +81,7 @@
     private static final String SADIS_URL = "url";
     private static final String SADIS_ENTRIES = "entries";
     private static final String DEFAULT_CACHE_TTL = "PT0S";
+    private static final String SUBSCRIBER_ID_SUB_PATTERN = "%s";
 
     /**
      * Returns SADIS integration URL.
@@ -99,7 +100,11 @@
         if (url.isMissingNode()) {
             return null;
         }
-
+        StringBuffer buf = new StringBuffer(SUBSCRIBER_ID_SUB_PATTERN);
+        if (!url.asText().contains(buf)) {
+            log.error("Error in url, missing {}", SUBSCRIBER_ID_SUB_PATTERN);
+            return null;
+        }
         return new URL(url.asText());
     }
 
diff --git a/app/src/main/java/org/opencord/sadis/impl/SubscriberAndDeviceInformationAdapter.java b/app/src/main/java/org/opencord/sadis/impl/SubscriberAndDeviceInformationAdapter.java
index 5085ae8..5026e66 100644
--- a/app/src/main/java/org/opencord/sadis/impl/SubscriberAndDeviceInformationAdapter.java
+++ b/app/src/main/java/org/opencord/sadis/impl/SubscriberAndDeviceInformationAdapter.java
@@ -192,14 +192,9 @@
             }
         } else {
             // Augment URL with query parameters
-            StringBuilder buf = new StringBuilder(this.url);
-            if (buf.charAt(buf.length() - 1) != '/') {
-                buf.append('/');
-            }
+            String urlWithSubId = this.url.replaceAll("%s", id);
 
-            buf.append(id);
-
-            try (InputStream io = new URL(buf.toString()).openStream()) {
+            try (InputStream io = new URL(urlWithSubId).openStream()) {
                 info = mapper.readValue(io, SubscriberAndDeviceInformation.class);
                 local.put(id, info);
                 return info;
diff --git a/app/src/test/resources/RemoteConfig.json b/app/src/test/resources/RemoteConfig.json
index b708fbc..e2c798f 100644
--- a/app/src/test/resources/RemoteConfig.json
+++ b/app/src/test/resources/RemoteConfig.json
@@ -1,6 +1,6 @@
 {
   "integration": {
-    "url": "file:src/test/resources",
+    "url": "file:src/test/resources/%s",
     "cache": {
       "maxsize": 50,
       "ttl": "PT1m"