diff --git a/python/educational-core/student/src/com/jetbrains/edu/learning/stepic/EduStepicConnector.java b/python/educational-core/student/src/com/jetbrains/edu/learning/stepic/EduStepicConnector.java
index 242832bdaaa3..780253fc2273 100644
--- a/python/educational-core/student/src/com/jetbrains/edu/learning/stepic/EduStepicConnector.java
+++ b/python/educational-core/student/src/com/jetbrains/edu/learning/stepic/EduStepicConnector.java
@@ -45,7 +45,7 @@ public class EduStepicConnector {
   }
 
   public static boolean enrollToCourse(final int courseId, final StepicUser stepicUser) {
-    if (stepicUser != null && stepicUser.getAccessToken() == null) return false;
+    if (stepicUser == null || stepicUser.getAccessToken() == null) return false;
     HttpPost post = new HttpPost(EduStepicNames.STEPIC_API_URL + EduStepicNames.ENROLLMENTS);
     try {
       final StepicWrappers.EnrollmentWrapper enrollment = new StepicWrappers.EnrollmentWrapper(String.valueOf(courseId));