diff --git a/gradle/changelog/submodule_without_http.yaml b/gradle/changelog/submodule_without_http.yaml
new file mode 100644
index 0000000000..4c90813179
--- /dev/null
+++ b/gradle/changelog/submodule_without_http.yaml
@@ -0,0 +1,2 @@
+- type: fixed
+  description: Source view with submodules without http or https URL
diff --git a/scm-ui/ui-webapp/src/repos/sources/components/content/FileLink.tsx b/scm-ui/ui-webapp/src/repos/sources/components/content/FileLink.tsx
index e8fee16950..6b1eb124df 100644
--- a/scm-ui/ui-webapp/src/repos/sources/components/content/FileLink.tsx
+++ b/scm-ui/ui-webapp/src/repos/sources/components/content/FileLink.tsx
@@ -36,6 +36,9 @@ type Props = {
 };
 
 const getHostname = (repositoryUrl: string) => {
+  if (!repositoryUrl.startsWith("http://") && !repositoryUrl.startsWith("https://")) {
+    return undefined;
+  }
   let host = repositoryUrl.split("/")[2];
   if (host.includes("@")) {
     // remove prefix