diff --git a/guacamole-ext/src/main/java/org/apache/guacamole/net/auth/AbstractIdentifiable.java b/guacamole-ext/src/main/java/org/apache/guacamole/net/auth/AbstractIdentifiable.java
index 3401719d42..8a60057bb2 100644
--- a/guacamole-ext/src/main/java/org/apache/guacamole/net/auth/AbstractIdentifiable.java
+++ b/guacamole-ext/src/main/java/org/apache/guacamole/net/auth/AbstractIdentifiable.java
@@ -39,7 +39,8 @@ public String getIdentifier() {
 
     @Override
     public void setIdentifier(String identifier) {
-        this.identifier = identifier;
+        if (identifier != null)
+            this.identifier = identifier.toLowerCase();
     }
 
     @Override
@@ -66,7 +67,7 @@ public boolean equals(Object other) {
             return identifier == null;
 
         // Otherwise, equal only if strings are identical
-        return otherIdentifier.equals(identifier);
+        return otherIdentifier.equalsIgnoreCase(identifier);
 
     }