diff --git a/src/main/java/com/eactive/eai/rms/ext/kjb/sso/SsoController.java b/src/main/java/com/eactive/eai/rms/ext/kjb/sso/SsoController.java
index 61f8df6..49f0911 100644
--- a/src/main/java/com/eactive/eai/rms/ext/kjb/sso/SsoController.java
+++ b/src/main/java/com/eactive/eai/rms/ext/kjb/sso/SsoController.java
@@ -57,9 +57,11 @@ public class SsoController implements InterceptorSkipController {
             }
 
             Properties extendedInfo = ssoModule.getUserExFields(ssoId);
-            extendedInfo.keySet().forEach( k -> {
-                log.debug("{} : {}", k, extendedInfo.get(k));
-            });
+            if (extendedInfo != null) {
+	            extendedInfo.keySet().forEach( k -> {
+	                log.debug("{} : {}", k, extendedInfo.get(k));
+	            });
+            }
 
             return "redirect:/main.do";
         }