diff --git a/roles/preseed/molecule/default/tests/test_parameters_mandatory.py b/roles/preseed/molecule/default/tests/test_parameters_mandatory.py
index d0060801453de2a70c8ae685ebab2296d8c54a28..7c77d8482c8090bd23e857a325ea53af95269829 100644
--- a/roles/preseed/molecule/default/tests/test_parameters_mandatory.py
+++ b/roles/preseed/molecule/default/tests/test_parameters_mandatory.py
@@ -53,7 +53,7 @@ def test_preseed_configuration_file_content(host):
 
     with host.sudo():
         preseed_file = host.file(os.path.join("/tmp/molecule/preseed/default/inventory", "preseed_files", "%s.cfg" % hostname))
-        preseed_file_content = preseed_file.content_string_string
+        preseed_file_content = preseed_file.content_string
         ssh_public_key = open(os.path.join(os.path.expanduser("~"), ".ssh", "id_rsa.pub")).read().strip()
 
     assert "d-i debian-installer/language string en" in preseed_file_content
diff --git a/roles/preseed/molecule/default/tests/test_parameters_optional.py b/roles/preseed/molecule/default/tests/test_parameters_optional.py
index a781302ad539983bf2b2e39d16e52cc3696287d8..0506f6387f6728b0ea5f8375217f1b1719969ce6 100644
--- a/roles/preseed/molecule/default/tests/test_parameters_optional.py
+++ b/roles/preseed/molecule/default/tests/test_parameters_optional.py
@@ -48,7 +48,7 @@ def test_preseed_configuration_file_content(host):
 
     with host.sudo():
         preseed_file = host.file(os.path.join(PRESEED_DIRECTORY, "%s.cfg" % hostname))
-        preseed_file_content = preseed_file.content_string_string
+        preseed_file_content = preseed_file.content_string
         ssh_public_key = "CUSTOMKEY"
 
     assert "d-i debian-installer/language string sr" in preseed_file_content
diff --git a/roles/preseed/molecule/default/tests/test_parameters_optional_with_overrides.py b/roles/preseed/molecule/default/tests/test_parameters_optional_with_overrides.py
index 2038e662a0e9e69b552dd1dffb19ae5e1fbfacd0..c8ceb22951ac474063ee726892c395c883b2ccdf 100644
--- a/roles/preseed/molecule/default/tests/test_parameters_optional_with_overrides.py
+++ b/roles/preseed/molecule/default/tests/test_parameters_optional_with_overrides.py
@@ -32,7 +32,7 @@ def test_preseed_configuration_file_content_host_without_overrides(host):
 
     with host.sudo():
         preseed_file = host.file(os.path.join(PRESEED_DIRECTORY, "%s.cfg" % hostname))
-        preseed_file_content = preseed_file.content_string_string
+        preseed_file_content = preseed_file.content_string
         ssh_public_key = "CUSTOMKEY"
 
     assert "d-i debian-installer/language string en" in preseed_file_content
@@ -64,7 +64,7 @@ def test_preseed_configuration_file_content_host_with_overrides(host):
 
     with host.sudo():
         preseed_file = host.file(os.path.join(PRESEED_DIRECTORY, "%s.cfg" % hostname))
-        preseed_file_content = preseed_file.content_string_string
+        preseed_file_content = preseed_file.content_string
         ssh_public_key = "CUSTOMKEY"
 
     assert "d-i debian-installer/language string sr" in preseed_file_content