diff --git a/src/io/readers/frame_reader.rs b/src/io/readers/frame_reader.rs
index c0317ef..7d959b5 100644
--- a/src/io/readers/frame_reader.rs
+++ b/src/io/readers/frame_reader.rs
@@ -316,7 +316,7 @@ fn get_frame_without_data(
     let sql_frame = &sql_frames[index];
     frame.index = sql_frame.id;
     frame.ms_level = MSLevel::read_from_msms_type(sql_frame.msms_type);
-    frame.rt = sql_frame.rt;
+    frame.rt_in_seconds = sql_frame.rt;
     frame.acquisition_type = acquisition;
     frame.intensity_correction_factor = 1.0 / sql_frame.accumulation_time;
     if (acquisition == AcquisitionType::DIAPASEF)
diff --git a/src/ms_data/frames.rs b/src/ms_data/frames.rs
index 6cf7fd1..50b521f 100644
--- a/src/ms_data/frames.rs
+++ b/src/ms_data/frames.rs
@@ -8,7 +8,7 @@ pub struct Frame {
     pub tof_indices: Vec<u32>,
     pub intensities: Vec<u32>,
     pub index: usize,
-    pub rt: f64,
+    pub rt_in_seconds: f64,
     pub acquisition_type: AcquisitionType,
     pub ms_level: MSLevel,
     pub quadrupole_settings: Arc<QuadrupoleSettings>,
diff --git a/tests/frame_readers.rs b/tests/frame_readers.rs
index 5324360..942f5e5 100644
--- a/tests/frame_readers.rs
+++ b/tests/frame_readers.rs
@@ -32,7 +32,7 @@ mod tests {
                 tof_indices: (0..10).collect(),
                 intensities: (0..10).map(|x| (x + 1) * 2).collect(),
                 index: 1,
-                rt: 0.1,
+                rt_in_seconds: 0.1,
                 ms_level: MSLevel::MS1,
                 quadrupole_settings: Arc::new(QuadrupoleSettings::default()),
                 acquisition_type: AcquisitionType::DDAPASEF,
@@ -45,7 +45,7 @@ mod tests {
                 tof_indices: (36..78).collect(),
                 intensities: (36..78).map(|x| (x + 1) * 2).collect(),
                 index: 3,
-                rt: 0.3,
+                rt_in_seconds: 0.3,
                 ms_level: MSLevel::MS1,
                 quadrupole_settings: Arc::new(QuadrupoleSettings::default()),
                 acquisition_type: AcquisitionType::DDAPASEF,
@@ -80,7 +80,7 @@ mod tests {
                 tof_indices: (10..36).collect(),
                 intensities: (10..36).map(|x| (x + 1) * 2).collect(),
                 index: 2,
-                rt: 0.2,
+                rt_in_seconds: 0.2,
                 ms_level: MSLevel::MS2,
                 quadrupole_settings: Arc::new(QuadrupoleSettings::default()),
                 acquisition_type: AcquisitionType::DDAPASEF,
@@ -93,7 +93,7 @@ mod tests {
                 tof_indices: (78..136).collect(),
                 intensities: (78..136).map(|x| (x + 1) * 2).collect(),
                 index: 4,
-                rt: 0.4,
+                rt_in_seconds: 0.4,
                 ms_level: MSLevel::MS2,
                 quadrupole_settings: Arc::new(QuadrupoleSettings::default()),
                 acquisition_type: AcquisitionType::DDAPASEF,