diff --git a/src/modules/vtol_att_control/standard.cpp b/src/modules/vtol_att_control/standard.cpp
index 19ab431fe3..4b0e499872 100644
--- a/src/modules/vtol_att_control/standard.cpp
+++ b/src/modules/vtol_att_control/standard.cpp
@@ -119,7 +119,7 @@ void Standard::update_vtol_state()
 	 */
 
 	float mc_weight = _mc_roll_weight;
-	float time_since_trans_start = ((float)(hrt_absolute_time() - _vtol_schedule.transition_start)) / 1e6f;
+	float time_since_trans_start = (float)(hrt_absolute_time() - _vtol_schedule.transition_start) * 1e-6f;
 
 	if (!_attc->is_fixed_wing_requested()) {
 
@@ -232,7 +232,7 @@ void Standard::update_vtol_state()
 void Standard::update_transition_state()
 {
 	float mc_weight = 1.0f;
-	float time_since_trans_start = ((float)(hrt_absolute_time() - _vtol_schedule.transition_start)) / 1e6f;
+	float time_since_trans_start = (float)(hrt_absolute_time() - _vtol_schedule.transition_start) * 1e-6f;
 
 	VtolType::update_transition_state();
 
diff --git a/src/modules/vtol_att_control/tailsitter.cpp b/src/modules/vtol_att_control/tailsitter.cpp
index 9315a287e1..eab35ca7d2 100644
--- a/src/modules/vtol_att_control/tailsitter.cpp
+++ b/src/modules/vtol_att_control/tailsitter.cpp
@@ -175,7 +175,7 @@ void Tailsitter::update_vtol_state()
 
 void Tailsitter::update_transition_state()
 {
-	float time_since_trans_start = ((float)(hrt_absolute_time() - _vtol_schedule.transition_start)) / 1e6f;
+	float time_since_trans_start = (float)(hrt_absolute_time() - _vtol_schedule.transition_start) * 1e-6f;
 
 	if (!_flag_was_in_trans_mode) {
 		// save desired heading for transition and last thrust value
diff --git a/src/modules/vtol_att_control/tiltrotor.cpp b/src/modules/vtol_att_control/tiltrotor.cpp
index 037c395467..84621ca58f 100644
--- a/src/modules/vtol_att_control/tiltrotor.cpp
+++ b/src/modules/vtol_att_control/tiltrotor.cpp
@@ -179,7 +179,7 @@ void Tiltrotor::update_vtol_state()
 				// allow switch if we are not armed for the sake of bench testing
 				bool transition_to_p2 = can_transition_on_ground();
 
-				float time_since_trans_start = ((float)(hrt_absolute_time() - _vtol_schedule.transition_start)) / 1e6f;
+				float time_since_trans_start = (float)(hrt_absolute_time() - _vtol_schedule.transition_start) * 1e-6f;
 
 				// check if we have reached airspeed to switch to fw mode
 				transition_to_p2 |= !_params->airspeed_disabled &&
@@ -279,7 +279,7 @@ void Tiltrotor::update_transition_state()
 {
 	VtolType::update_transition_state();
 
-	float time_since_trans_start = ((float)(hrt_absolute_time() - _vtol_schedule.transition_start)) / 1e6f;
+	float time_since_trans_start = (float)(hrt_absolute_time() - _vtol_schedule.transition_start) * 1e-6f;
 
 	if (!_flag_was_in_trans_mode) {
 		// save desired heading for transition and last thrust value