diff --git a/examples/hawkbit-device-simulator/src/main/java/org/eclipse/hawkbit/simulator/DeviceSimulatorUpdater.java b/examples/hawkbit-device-simulator/src/main/java/org/eclipse/hawkbit/simulator/DeviceSimulatorUpdater.java
index e73244247..a0b607b83 100644
--- a/examples/hawkbit-device-simulator/src/main/java/org/eclipse/hawkbit/simulator/DeviceSimulatorUpdater.java
+++ b/examples/hawkbit-device-simulator/src/main/java/org/eclipse/hawkbit/simulator/DeviceSimulatorUpdater.java
@@ -205,11 +205,11 @@ public class DeviceSimulatorUpdater {
         private static void handleArtifacts(final String targetToken, final List<UpdateStatus> status,
                 final Artifact artifact) {
 
-            if (artifact.getUrls().containsKey("https")) {
-                status.add(downloadUrl(artifact.getUrls().get("https"), targetToken, artifact.getHashes().getSha1(),
+            if (artifact.getUrls().containsKey("HTTPS")) {
+                status.add(downloadUrl(artifact.getUrls().get("HTTPS"), targetToken, artifact.getHashes().getSha1(),
                         artifact.getSize()));
-            } else if (artifact.getUrls().containsKey("http")) {
-                status.add(downloadUrl(artifact.getUrls().get("http"), targetToken, artifact.getHashes().getSha1(),
+            } else if (artifact.getUrls().containsKey("HTTP")) {
+                status.add(downloadUrl(artifact.getUrls().get("HTTP"), targetToken, artifact.getHashes().getSha1(),
                         artifact.getSize()));
             }
         }
diff --git a/hawkbit-core/src/main/java/org/eclipse/hawkbit/api/PropertyBasedArtifactUrlHandler.java b/hawkbit-core/src/main/java/org/eclipse/hawkbit/api/PropertyBasedArtifactUrlHandler.java
index 229438477..cb495d7fb 100644
--- a/hawkbit-core/src/main/java/org/eclipse/hawkbit/api/PropertyBasedArtifactUrlHandler.java
+++ b/hawkbit-core/src/main/java/org/eclipse/hawkbit/api/PropertyBasedArtifactUrlHandler.java
@@ -72,7 +72,7 @@ public class PropertyBasedArtifactUrlHandler implements ArtifactUrlHandler {
         return urlHandlerProperties.getProtocols().entrySet().stream()
                 .filter(entry -> entry.getValue().getSupports().contains(api))
                 .filter(entry -> entry.getValue().isEnabled())
-                .map(entry -> new ArtifactUrl(entry.getValue().getProtocol(), entry.getValue().getRel(),
+                .map(entry -> new ArtifactUrl(entry.getValue().getProtocol().toUpperCase(), entry.getValue().getRel(),
                         generateUrl(entry.getValue(), placeholder)))
                 .collect(Collectors.toList());
 
diff --git a/hawkbit-core/src/test/java/org/eclipse/hawkbit/api/PropertyBasedArtifactUrlHandlerTest.java b/hawkbit-core/src/test/java/org/eclipse/hawkbit/api/PropertyBasedArtifactUrlHandlerTest.java
index 3d7fc18af..0a865a9ad 100644
--- a/hawkbit-core/src/test/java/org/eclipse/hawkbit/api/PropertyBasedArtifactUrlHandlerTest.java
+++ b/hawkbit-core/src/test/java/org/eclipse/hawkbit/api/PropertyBasedArtifactUrlHandlerTest.java
@@ -70,8 +70,8 @@ public class PropertyBasedArtifactUrlHandlerTest {
         properties.getProtocols().put("download-http", new UrlProtocol());
 
         final List<ArtifactUrl> ddiUrls = urlHandlerUnderTest.getUrls(placeholder, ApiType.DDI);
-        assertEquals(
-                Lists.newArrayList(new ArtifactUrl("http", "download-http", HTTP_LOCALHOST + TENANT + "/controller/v1/"
+        assertEquals(Lists.newArrayList(
+                new ArtifactUrl("http".toUpperCase(), "download-http", HTTP_LOCALHOST + TENANT + "/controller/v1/"
                         + CONTROLLER_ID + "/softwaremodules/" + SOFTWAREMODULEID + "/artifacts/" + FILENAME)),
                 ddiUrls);
 
@@ -96,7 +96,7 @@ public class PropertyBasedArtifactUrlHandlerTest {
         assertThat(urls).isEmpty();
         urls = urlHandlerUnderTest.getUrls(placeholder, ApiType.DMF);
 
-        assertEquals(Lists.newArrayList(new ArtifactUrl(TEST_PROTO, TEST_REL,
+        assertEquals(Lists.newArrayList(new ArtifactUrl(TEST_PROTO.toUpperCase(), TEST_REL,
                 "coap://127.0.0.1:5683/fw/" + TENANT + "/" + CONTROLLER_ID + "/sha1/" + SHA1HASH)), urls);
     }
 
@@ -117,7 +117,7 @@ public class PropertyBasedArtifactUrlHandlerTest {
         assertThat(urls).isEmpty();
         urls = urlHandlerUnderTest.getUrls(placeholder, ApiType.DMF);
 
-        assertEquals(Lists.newArrayList(new ArtifactUrl(TEST_PROTO, TEST_REL,
+        assertEquals(Lists.newArrayList(new ArtifactUrl(TEST_PROTO.toUpperCase(), TEST_REL,
                 TEST_PROTO + "://127.0.0.1:5683/fws/" + TENANT + "/" + TARGETID_BASE62 + "/" + ARTIFACTID_BASE62)),
                 urls);
     }