diff --git a/src/activator.mts b/src/activator.mts
index d4d21d5..3c131fb 100644
--- a/src/activator.mts
+++ b/src/activator.mts
@@ -1122,6 +1122,10 @@ export default class Activator {
             // Map each value to "key - value" and push to resultArray
             versions.push(
               ...values.map(value =>
+                // differentiate between multiple stub ports and single
+                // to reduce UI clutter for version selection
+                // after a user selected a certain port already
+                // but still support multiple ports per selection
                 Object.keys(availableStubVersions).length > 1
                   ? `${stubPortToDisplayString(key)} - ${value}`
                   : value
@@ -1149,12 +1153,16 @@ export default class Activator {
             async (progress, token) => {
               // cancellation is not possible
               token.onCancellationRequested(() => undefined);
-              const versionParts = version.split(" - ");
+              const versionParts = version.includes(" - ")
+                ? version.split(" - ")
+                : [Object.keys(availableStubVersions)[0], version];
 
               // TODO: implement cancellation
               const result = await installStubsByVersion(
                 versionParts[1],
-                displayStringToStubPort(versionParts[0]),
+                version.includes(" - ")
+                  ? displayStringToStubPort(versionParts[0])
+                  : versionParts[0],
                 settings
               );