diff --git a/src/value_estimation_team/indicators/dema.rs b/src/value_estimation_team/indicators/dema.rs
index adb5339..280d90b 100644
--- a/src/value_estimation_team/indicators/dema.rs
+++ b/src/value_estimation_team/indicators/dema.rs
@@ -98,7 +98,7 @@ pub async fn dema(
                 if e2_vec.last().unwrap().close_time == e1_vec_c.last().unwrap().close_time && 
                 e2_vec.len() < e1_vec_c.len() {
                     let mut dema_data_vec: Vec<DemaData> = Vec::new();
-                    let e1_vec_part = e1_vec_c.get(e2_vec.len()-2..).unwrap();
+                    let e1_vec_part = e1_vec_c.get(e1_vec_c.len()-e2_vec.len()..).unwrap();
                     let zipped = e1_vec_part.iter().zip(e2_vec.iter());
                     for element in zipped {
                         if element.0.close_time != element.1.close_time {