diff --git a/app/src/main/java/pl/szczodrzynski/edziennik/api/v2/LoginMethods.kt b/app/src/main/java/pl/szczodrzynski/edziennik/api/v2/LoginMethods.kt
index f7a90179..0b700a88 100644
--- a/app/src/main/java/pl/szczodrzynski/edziennik/api/v2/LoginMethods.kt
+++ b/app/src/main/java/pl/szczodrzynski/edziennik/api/v2/LoginMethods.kt
@@ -10,7 +10,7 @@ import pl.szczodrzynski.edziennik.api.v2.librus.login.LibrusLoginMessages
 import pl.szczodrzynski.edziennik.api.v2.librus.login.LibrusLoginSynergia
 import pl.szczodrzynski.edziennik.api.v2.models.LoginMethod
 
-val SYNERGIA_API_ENABLED = "true".toBoolean()
+const val SYNERGIA_API_ENABLED = true
 
 const val LOGIN_TYPE_MOBIDZIENNIK = 1
 const val LOGIN_TYPE_LIBRUS = 2
diff --git a/app/src/main/java/pl/szczodrzynski/edziennik/api/v2/librus/Librus.kt b/app/src/main/java/pl/szczodrzynski/edziennik/api/v2/librus/Librus.kt
index 977c9415..012b4bac 100644
--- a/app/src/main/java/pl/szczodrzynski/edziennik/api/v2/librus/Librus.kt
+++ b/app/src/main/java/pl/szczodrzynski/edziennik/api/v2/librus/Librus.kt
@@ -91,8 +91,7 @@ class Librus(val app: App, val profile: Profile?, val loginStore: LoginStore, va
                                 .singleOrNull { it.endpointId == endpoint.first } ?: EndpointTimer(data.profile?.id ?: -1, endpoint.first))
                                 .let { timer ->
                                     if (timer.nextSync == SYNC_ALWAYS ||
-                                            (timer.nextSync == SYNC_IF_EXPLICIT && timer.viewId == viewId) ||
-                                            (timer.nextSync == SYNC_IF_EXPLICIT_OR_ALL && viewId == null) ||
+                                            (timer.viewId == viewId) ||
                                             (timer.nextSync != SYNC_NEVER && timer.nextSync < timestamp)) {
                                         data.targetEndpointIds.add(endpoint.first)
                                         requiredLoginMethods.add(endpoint.second)
diff --git a/app/src/main/java/pl/szczodrzynski/edziennik/api/v2/models/Data.kt b/app/src/main/java/pl/szczodrzynski/edziennik/api/v2/models/Data.kt
index d0c9de40..098375a4 100644
--- a/app/src/main/java/pl/szczodrzynski/edziennik/api/v2/models/Data.kt
+++ b/app/src/main/java/pl/szczodrzynski/edziennik/api/v2/models/Data.kt
@@ -234,17 +234,19 @@ open class Data(val app: App, val profile: Profile?, val loginStore: LoginStore)
             db.metadataDao().setSeen(messageMetadataList)
     }
 
-    fun setSyncNext(endpointId: Int, syncIn: Long, viewId: Int? = null, syncIfAll: Boolean = false) {
+    fun setSyncNext(endpointId: Int, syncIn: Long? = null, viewId: Int? = null) {
         EndpointTimer(profile?.id ?: -1, endpointId).apply {
             syncedNow()
-            if (syncIn < 10) {
-                nextSync = syncIn
-            }
-            else {
-                syncIn(syncIn)
-                if (viewId != null)
-                    syncWhenView(viewId, syncIfAll)
+
+            if (syncIn != null) {
+                if (syncIn < 10)
+                    nextSync = syncIn
+                else
+                    syncIn(syncIn)
             }
+            if (viewId != null)
+                syncWhenView(viewId)
+
             endpointTimers.add(this)
         }
     }
diff --git a/app/src/main/java/pl/szczodrzynski/edziennik/data/db/modules/api/EndpointTimer.kt b/app/src/main/java/pl/szczodrzynski/edziennik/data/db/modules/api/EndpointTimer.kt
index 2cbd7c34..24344462 100644
--- a/app/src/main/java/pl/szczodrzynski/edziennik/data/db/modules/api/EndpointTimer.kt
+++ b/app/src/main/java/pl/szczodrzynski/edziennik/data/db/modules/api/EndpointTimer.kt
@@ -9,8 +9,6 @@ import androidx.room.Entity
 
 const val SYNC_NEVER = 0L
 const val SYNC_ALWAYS = 1L
-const val SYNC_IF_EXPLICIT = 2L
-const val SYNC_IF_EXPLICIT_OR_ALL = 3L
 
 @Entity(tableName = "endpointTimers",
         primaryKeys = ["profileId", "endpointId"])
@@ -47,16 +45,20 @@ data class EndpointTimer (
      */
     fun syncIn(nextSyncIn: Long): EndpointTimer {
         nextSync = System.currentTimeMillis() + nextSyncIn*1000
-        viewId = null
         return this
     }
 
     /**
      * Set this timer to sync only if [viewId] is the only
      * selected feature during the current process.
+     *
+     * [viewId] may be [DRAWER_ITEM_HOME] to sync only if all features are selected.
      */
-    fun syncWhenView(viewId: Int, syncIfAll: Boolean = false): EndpointTimer {
-        nextSync = if (syncIfAll) SYNC_IF_EXPLICIT_OR_ALL else SYNC_IF_EXPLICIT
+    fun syncWhenView(viewId: Int): EndpointTimer {
+        // set to never sync if nextSync is not already a timestamp
+        if (nextSync < 10) {
+            this.nextSync = SYNC_NEVER
+        }
         this.viewId = viewId
         return this
     }
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index be2863e0..bcdd253f 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -925,4 +925,5 @@
     <string name="sync_action_syncing_grade_comments">Pobieranie komentarzy ocen</string>
     <string name="settings_register_show_teacher_absences_text">Pokazuj nieobecności nauczycieli w Terminarzu</string>
     <string name="edziennik_progress_endpoint_school_info">Pobieram informacje o szkole...</string>
+    <string name="edziennik_progress_endpoint_grades">Pobieranie ocen ucznia...</string>
 </resources>