diff --git a/extensions/guacamole-auth-cas/src/main/java/org/apache/guacamole/auth/cas/AuthenticationProviderService.java b/extensions/guacamole-auth-cas/src/main/java/org/apache/guacamole/auth/cas/AuthenticationProviderService.java
index 43435fedb..f3870a6d8 100644
--- a/extensions/guacamole-auth-cas/src/main/java/org/apache/guacamole/auth/cas/AuthenticationProviderService.java
+++ b/extensions/guacamole-auth-cas/src/main/java/org/apache/guacamole/auth/cas/AuthenticationProviderService.java
@@ -29,7 +29,7 @@ import org.apache.guacamole.GuacamoleException;
 import org.apache.guacamole.form.Field;
 import org.apache.guacamole.net.auth.Credentials;
 import org.apache.guacamole.net.auth.credentials.CredentialsInfo;
-import org.apache.guacamole.net.auth.credentials.GuacamoleInvalidCredentialsException;
+import org.apache.guacamole.net.auth.credentials.GuacamoleInsufficientCredentialsException;
 import org.apache.guacamole.auth.cas.conf.ConfigurationService;
 import org.apache.guacamole.auth.cas.form.CASTicketField;
 import org.apache.guacamole.auth.cas.ticket.TicketValidationService;
@@ -89,7 +89,8 @@ public class AuthenticationProviderService {
         }
 
         // Request CAS ticket
-        throw new GuacamoleInvalidCredentialsException("Invalid login.",
+        throw new GuacamoleInsufficientCredentialsException(
+            "LOGIN.INFO_CAS_REDIRECT_PENDING",
             new CredentialsInfo(Arrays.asList(new Field[] {
 
                 // CAS-specific ticket (will automatically redirect the user
diff --git a/extensions/guacamole-auth-cas/src/main/resources/guac-manifest.json b/extensions/guacamole-auth-cas/src/main/resources/guac-manifest.json
index d0f335346..fd963a217 100644
--- a/extensions/guacamole-auth-cas/src/main/resources/guac-manifest.json
+++ b/extensions/guacamole-auth-cas/src/main/resources/guac-manifest.json
@@ -9,6 +9,10 @@
         "org.apache.guacamole.auth.cas.CASAuthenticationProvider"
     ],
 
+    "translations" : [
+        "translations/en.json"
+    ],
+
     "js" : [
         "casModule.js",
         "casController.js",
diff --git a/extensions/guacamole-auth-cas/src/main/resources/translations/en.json b/extensions/guacamole-auth-cas/src/main/resources/translations/en.json
new file mode 100644
index 000000000..dfda606c5
--- /dev/null
+++ b/extensions/guacamole-auth-cas/src/main/resources/translations/en.json
@@ -0,0 +1,12 @@
+{
+
+    "DATA_SOURCE_CAS" : {
+        "NAME" : "CAS SSO Backend"
+    },
+
+    "LOGIN" : {
+        "FIELD_HEADER_TICKET"        : "",
+        "INFO_CAS_REDIRECT_PENDING"  : "Please wait, redirecting to CAS authentication."
+    }
+
+}