diff --git a/extensions/guacamole-auth-mysql/src/main/java/net/sourceforge/guacamole/net/auth/mysql/service/PermissionCheckService.java b/extensions/guacamole-auth-mysql/src/main/java/net/sourceforge/guacamole/net/auth/mysql/service/PermissionCheckService.java
index 6144ca88a..548f41756 100644
--- a/extensions/guacamole-auth-mysql/src/main/java/net/sourceforge/guacamole/net/auth/mysql/service/PermissionCheckService.java
+++ b/extensions/guacamole-auth-mysql/src/main/java/net/sourceforge/guacamole/net/auth/mysql/service/PermissionCheckService.java
@@ -347,7 +347,8 @@ public class PermissionCheckService {
             return false;
 
         // Verify that the desired usage matches the type.
-        return connectionGroup.getType().equals(usage);
+        return MySQLConstants.getConnectionGroupTypeConstant(
+                connectionGroup.getType()).equals(usage);
         
     }