diff --git a/src/main/kotlin/ch/uzh/ifi/access/service/RoleService.kt b/src/main/kotlin/ch/uzh/ifi/access/service/RoleService.kt
index 6615b0e..9f81362 100644
--- a/src/main/kotlin/ch/uzh/ifi/access/service/RoleService.kt
+++ b/src/main/kotlin/ch/uzh/ifi/access/service/RoleService.kt
@@ -143,6 +143,7 @@ class RoleService(
         val role = accessRealm.roles()[Role.STUDENT.withCourse(course.slug)]
         val rolesToAdd = listOf(role.toRepresentation())
         logger.debug { "B: updating roles for ${username} (roles to add: ${rolesToAdd})"}
+        logger.debug { "Searching if ${username} is in ${role.getUserMembers(0, -1).size} members of ${role} in keycloak" }
         role.getUserMembers(0, -1)
             .filter {
                 studentMatchesUser(username, it)
@@ -151,6 +152,7 @@ class RoleService(
                 logger.debug { "B: removing ${rolesToAdd} from ${username}"}
                 accessRealm.users()[it.id].roles().realmLevel().remove(rolesToAdd)
             }
+        logger.debug { "Comparing username to ${accessRealm.users().list(0, -1).size} users in keycloak" }
         accessRealm.users().list(0, -1).forEach {
             if (studentMatchesUser(username, it) && userRegisteredForCourse(it, registrationIDs)) {
                 logger.debug { "B: adding roles ${rolesToAdd} to ${it.username}" }