diff --git a/app/Http/Controllers/ActivityController.php b/app/Http/Controllers/ActivityController.php
index dce8f9e..5655cdb 100644
--- a/app/Http/Controllers/ActivityController.php
+++ b/app/Http/Controllers/ActivityController.php
@@ -186,14 +186,12 @@ class ActivityController extends Controller
 			$actualStartValues = array_column(array_filter($dataFinal, function($item) {
 				return isset($item['actual_start']);
 			}), 'actual_start');
-
-			$returnActualStartOrEnd = count($actualStartValues) > 0 ? min($actualStartValues) : null;
+			$returnActualStartOrEnd = count($actualStartValues) == count($dataFinal) ? min($actualStartValues) : null;
 		}else{
 			$actualEndValues = array_column(array_filter($dataFinal, function($item) {
 				return isset($item['actual_end']);
 			}), 'actual_end');
-
-			$returnActualStartOrEnd = count($actualEndValues) > 0 ? max($actualEndValues) : null;
+			$returnActualStartOrEnd = count($actualEndValues) == count($dataFinal) ? max($actualEndValues) : null;
 		}
 
 		// return json_encode(["min"=>$minActualStart, "max"=>$maxActualStart]);