diff --git a/tests/repository_data/project/test-flat/project.cfg b/tests/repository_data/project/test-flat/project.cfg
index 365a07b5..1564431d 100644
--- a/tests/repository_data/project/test-flat/project.cfg
+++ b/tests/repository_data/project/test-flat/project.cfg
@@ -1 +1 @@
-{"project_name": "test-flat", "targets_location": "/Users/vlad/projects/vladforks/tuf/tests/repository_data/project/targets", "prefix": "prefix", "metadata_location": "test-flat", "threshold": 1, "public_keys": {"5602f4df0cd26b2112f0833b1ce8d5fcbb595754961d3a04f37b9815e2ced503": {"keytype": "rsa", "keyid_hash_algorithms": ["sha256", "sha512"], "keyval": {"public": "-----BEGIN PUBLIC KEY-----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\nAUL30HH7dgVn50AvdPaJnqAORT3OlabW0DK9prcwKnyzAgMBAAE=\n-----END PUBLIC KEY-----"}}}, "layout_type": "flat"}
\ No newline at end of file
+{"project_name": "test-flat", "targets_location": "/Users/vlad/projects/vladforks/tuf/tests/repository_data/project/targets", "prefix": "prefix", "metadata_location": "test-flat", "threshold": 1, "public_keys": {"4e777de0d275f9d28588dd9a1606cc748e548f9e22b6795b7cb3f63f98035fcb": {"keyval": {"public": "-----BEGIN PUBLIC KEY-----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\na82yNFY8ubnOUVJOf0nXGg3Edw9iY3xyjJb2+nrsk5f3AgMBAAE=\n-----END PUBLIC KEY-----"}, "keytype": "rsa", "scheme": "rsassa-pss-sha256", "keyid_hash_algorithms": ["sha256", "sha512"]}}, "layout_type": "flat"}
\ No newline at end of file
diff --git a/tests/repository_data/project/test-flat/role1.json b/tests/repository_data/project/test-flat/role1.json
index 535d3f90..6ba90f89 100644
Binary files a/tests/repository_data/project/test-flat/role1.json and b/tests/repository_data/project/test-flat/role1.json differ
diff --git a/tests/repository_data/project/test-flat/test-flat.json b/tests/repository_data/project/test-flat/test-flat.json
index 7e90d071..85da4f75 100644
Binary files a/tests/repository_data/project/test-flat/test-flat.json and b/tests/repository_data/project/test-flat/test-flat.json differ
diff --git a/tests/repository_data/project/test-flat/test-flat.json.gz b/tests/repository_data/project/test-flat/test-flat.json.gz
index fc67c339..48fd264d 100644
Binary files a/tests/repository_data/project/test-flat/test-flat.json.gz and b/tests/repository_data/project/test-flat/test-flat.json.gz differ
diff --git a/tuf/developer_tool.py b/tuf/developer_tool.py
index df221579..a39e4df5 100755
--- a/tuf/developer_tool.py
+++ b/tuf/developer_tool.py
@@ -764,7 +764,7 @@ def _save_project_configuration(metadata_directory, targets_directory,
   for key in public_keys:
     key_info = tuf.keydb.get_key(key)
     key_metadata = format_keyval_to_metadata(key_info['keytype'],
-                                             key_info['keyval'])
+        key_info['scheme'], key_info['keyval'])
     project_config['public_keys'][key] = key_metadata
 
   # Save the actual file.