diff --git a/src/org/openstreetmap/josm/data/oauth/OAuthParameters.java b/src/org/openstreetmap/josm/data/oauth/OAuthParameters.java
index e58d032421b..86a476057ef 100644
--- a/src/org/openstreetmap/josm/data/oauth/OAuthParameters.java
+++ b/src/org/openstreetmap/josm/data/oauth/OAuthParameters.java
@@ -9,6 +9,7 @@
 import java.util.HashMap;
 import java.util.Map;
 
+import jakarta.json.stream.JsonParsingException;
 import org.openstreetmap.josm.io.NetworkManager;
 import org.openstreetmap.josm.io.OsmApi;
 import org.openstreetmap.josm.io.auth.CredentialsAgentException;
@@ -94,7 +95,7 @@ private static JsonObject getRFC8414Parameters(String apiUrl) {
                     }
                 }
             }
-        } catch (URISyntaxException | IOException e) {
+        } catch (JsonParsingException | URISyntaxException | IOException e) {
             throw new JosmRuntimeException(e);
         } finally {
             if (client != null) {
@@ -157,7 +158,8 @@ private static OAuth20Parameters getDefaultOAuth20Parameters(String apiUrl) {
                 }
             }
         } catch (JosmRuntimeException e) {
-            if (e.getCause() instanceof URISyntaxException || e.getCause() instanceof IOException) {
+            if (e.getCause() instanceof URISyntaxException || e.getCause() instanceof IOException
+                    || e.getCause() instanceof JsonParsingException) {
                 Logging.trace(e);
             } else {
                 throw e;
diff --git a/src/org/openstreetmap/josm/gui/oauth/OAuthAuthorizationWizard.java b/src/org/openstreetmap/josm/gui/oauth/OAuthAuthorizationWizard.java
index aa1e37538ca..a4ff52d723e 100644
--- a/src/org/openstreetmap/josm/gui/oauth/OAuthAuthorizationWizard.java
+++ b/src/org/openstreetmap/josm/gui/oauth/OAuthAuthorizationWizard.java
@@ -175,7 +175,7 @@ protected JPanel buildHeaderInfoPanel() {
         // the authorisation procedure
         JMultilineLabel lbl = new JMultilineLabel(AuthorizationProcedure.FULLY_AUTOMATIC.getDescription());
         lbl.setFont(lbl.getFont().deriveFont(Font.PLAIN));
-        pnl.add(lbl, GBC.std());
+        pnl.add(lbl, GBC.eol());
 
         if (!Config.getUrls().getDefaultOsmApiUrl().equals(apiUrl)) {
             final HtmlPanel pnlWarning = new HtmlPanel();