diff --git a/src/trafficgen/check_land_crossing.py b/src/trafficgen/check_land_crossing.py
index 7fed834..21f15c0 100644
--- a/src/trafficgen/check_land_crossing.py
+++ b/src/trafficgen/check_land_crossing.py
@@ -4,9 +4,9 @@
 
 from global_land_mask import globe
 
-from .marine_system_simulator import flat2llh
-from .types import Position
-from .utils import calculate_position_at_certain_time, deg_2_rad, rad_2_deg
+from trafficgen.marine_system_simulator import flat2llh
+from trafficgen.types import Position
+from trafficgen.utils import calculate_position_at_certain_time, deg_2_rad, rad_2_deg
 
 
 def path_crosses_land(
diff --git a/src/trafficgen/cli.py b/src/trafficgen/cli.py
index 47e52d6..872759e 100644
--- a/src/trafficgen/cli.py
+++ b/src/trafficgen/cli.py
@@ -12,9 +12,9 @@
 import click
 import click_log
 
-from .plot_traffic_situation import plot_specific_traffic_situation, plot_traffic_situations
-from .ship_traffic_generator import generate_traffic_situations
-from .write_traffic_situation_to_file import write_traffic_situations_to_json_file
+from trafficgen.plot_traffic_situation import plot_specific_traffic_situation, plot_traffic_situations
+from trafficgen.ship_traffic_generator import generate_traffic_situations
+from trafficgen.write_traffic_situation_to_file import write_traffic_situations_to_json_file
 
 logger = logging.getLogger(__name__)
 _ = click_log.basic_config(logger)
diff --git a/src/trafficgen/encounter.py b/src/trafficgen/encounter.py
index 1380f35..4fb8c2e 100644
--- a/src/trafficgen/encounter.py
+++ b/src/trafficgen/encounter.py
@@ -9,9 +9,9 @@
 
 import numpy as np
 
-from .check_land_crossing import path_crosses_land
-from .marine_system_simulator import flat2llh
-from .types import (
+from trafficgen.check_land_crossing import path_crosses_land
+from trafficgen.marine_system_simulator import flat2llh
+from trafficgen.types import (
     EncounterRelativeSpeed,
     EncounterSettings,
     EncounterType,
@@ -20,7 +20,7 @@
     Ship,
     TargetShip,
 )
-from .utils import (
+from trafficgen.utils import (
     calculate_position_at_certain_time,
     convert_angle_minus_180_to_180_to_0_to_360,
     deg_2_rad,
diff --git a/src/trafficgen/ship_traffic_generator.py b/src/trafficgen/ship_traffic_generator.py
index ff13069..c9fcc28 100644
--- a/src/trafficgen/ship_traffic_generator.py
+++ b/src/trafficgen/ship_traffic_generator.py
@@ -3,17 +3,17 @@
 from pathlib import Path
 from typing import List, Union
 
-from .encounter import (
+from trafficgen.encounter import (
     generate_encounter,
     update_position_data_own_ship,
 )
-from .read_files import (
+from trafficgen.read_files import (
     read_encounter_settings_file,
     read_own_ship_file,
     read_situation_files,
     read_target_ship_files,
 )
-from .types import Encounter, EncounterSettings, Ship, Situation, TargetShip
+from trafficgen.types import Encounter, EncounterSettings, Ship, Situation, TargetShip
 
 
 def generate_traffic_situations(