diff --git a/src/main/java/com/contentgrid/gateway/runtime/config/ApplicationConfiguration.java b/src/main/java/com/contentgrid/gateway/runtime/config/ApplicationConfiguration.java
index 21559e7b..7b3e25f2 100644
--- a/src/main/java/com/contentgrid/gateway/runtime/config/ApplicationConfiguration.java
+++ b/src/main/java/com/contentgrid/gateway/runtime/config/ApplicationConfiguration.java
@@ -1,7 +1,5 @@
 package com.contentgrid.gateway.runtime.config;
 
-import static com.contentgrid.gateway.runtime.config.ApplicationConfiguration.Keys.DELIMITER_REGEX;
-
 import com.contentgrid.gateway.runtime.application.ApplicationId;
 import java.util.Arrays;
 import java.util.Map.Entry;
@@ -34,6 +32,10 @@ class Keys {
 
     Optional<String> getProperty(@NonNull String property);
 
+    default Stream<String> getProperties(@NonNull String property) {
+        return this.getProperty(property).stream();
+    }
+
     Stream<String> keys();
 
     Stream<Entry<String, String>> stream();
@@ -51,14 +53,15 @@ default String getIssuerUri() {
     }
 
     default Set<String> getDomains() {
-        return Arrays.stream(this.getProperty(Keys.ROUTING_DOMAINS).orElse("").split(DELIMITER_REGEX))
+        return Arrays.stream(this.getProperty(Keys.ROUTING_DOMAINS).orElse("").split(Keys.DELIMITER_REGEX))
                 .map(String::trim)
                 .filter(str -> !str.isBlank())
                 .collect(Collectors.toSet());
     }
 
     default Set<String> getCorsOrigins() {
-        return Arrays.stream(this.getProperty(Keys.CORS_ORIGINS).orElse("").split(DELIMITER_REGEX))
+        return this.getProperties(Keys.CORS_ORIGINS)
+                .flatMap(value -> Stream.of(value.split(Keys.DELIMITER_REGEX)))
                 .map(String::trim)
                 .filter(str -> !str.isBlank())
                 .collect(Collectors.toSet());
diff --git a/src/main/java/com/contentgrid/gateway/runtime/config/ComposedApplicationConfiguration.java b/src/main/java/com/contentgrid/gateway/runtime/config/ComposedApplicationConfiguration.java
index 7a4a7485..5b701f7d 100644
--- a/src/main/java/com/contentgrid/gateway/runtime/config/ComposedApplicationConfiguration.java
+++ b/src/main/java/com/contentgrid/gateway/runtime/config/ComposedApplicationConfiguration.java
@@ -50,11 +50,17 @@ public String getConfigurationId() {
 
     @Override
     public Optional<String> getProperty(@NonNull String property) {
+        return this.getProperties(property).findFirst();
+    }
+
+    @Override
+    public Stream<String> getProperties(@NonNull String property) {
         return this.fragments.values().stream()
-                .flatMap(frag -> frag.getProperty(property).stream())
-                .findFirst();
+                .flatMap(frag -> frag.getProperty(property).stream());
     }
 
+
+
     public Stream<Entry<String, String>> stream() {
         return this.keys().flatMap(key -> this.getProperty(key).stream().map(prop -> Map.entry(key, prop)));
     }