diff --git a/app/src/main/java/com/uam/wmi/findmytutor/service/BackgroundLocalizationService.java b/app/src/main/java/com/uam/wmi/findmytutor/service/BackgroundLocalizationService.java
index d8ca855..86f4fbd 100644
--- a/app/src/main/java/com/uam/wmi/findmytutor/service/BackgroundLocalizationService.java
+++ b/app/src/main/java/com/uam/wmi/findmytutor/service/BackgroundLocalizationService.java
@@ -190,7 +190,7 @@ public class BackgroundLocalizationService extends Service {
                     .map(MapUtils::checkIfCoordinateIsValid).takeWhile(s -> !s).toList().size() == coordinatesHistory.size();
 
             Boolean shouldAbbreviateTimeInterval = Stream.of(coordinatesHistory).
-                    map(MapUtils::checkIfCoordinateIsValid).toList().size() > 0;
+                    filter(MapUtils::checkIfCoordinateIsValid).toList().size() > 0;
 
             if (shouldExtendTimeInterval) {
                 notify_interval = notify_interval_outside_building;