diff --git a/littlepay/commands/configure.py b/littlepay/commands/configure.py
index 8d901ab..472982d 100644
--- a/littlepay/commands/configure.py
+++ b/littlepay/commands/configure.py
@@ -22,8 +22,10 @@ def configure(config_path: str | Path = None) -> int:
     print(f"Envs: {', '.join(config.envs.keys())}")
     print(f"Participants: {', '.join(config.participants.keys())}")
 
-    if config.active_participant_id == "":
-        print(f"❓ Active: {config.active_env_name}, [no participant]")
+    if config.active_env_name == "" or config.active_participant_id == "":
+        env = config.active_env_name if config.active_env_name else "[no env]"
+        participant = config.active_participant_id if config.active_participant_id else "[no participant]"
+        print(f"❓ Active: {env}, {participant}")
         return RESULT_SUCCESS
 
     try:
diff --git a/littlepay/config.py b/littlepay/config.py
index c4303ab..833646b 100644
--- a/littlepay/config.py
+++ b/littlepay/config.py
@@ -96,7 +96,10 @@ def active_env(self) -> dict:
         Returns (dict):
             Configuration data for the active environment.
         """
-        return self.envs[self.active_env_name]
+        active_env_name = self.active_env_name
+        if not active_env_name:
+            raise ValueError("Missing active env")
+        return self.envs[active_env_name]
 
     @property
     def active_participant(self) -> dict:
@@ -119,8 +122,8 @@ def active_credentials(self) -> dict:
 
     @property
     def active_env_name(self) -> str:
-        """The active environment's name. By default, the QA environment."""
-        return self.active.get("env", ENV_QA)
+        """The active environment's name."""
+        return self.active.get("env", "")
 
     @active_env_name.setter
     def active_env_name(self, value: str):
diff --git a/tests/test_config.py b/tests/test_config.py
index 6e0dd8d..17abd6f 100644
--- a/tests/test_config.py
+++ b/tests/test_config.py
@@ -6,7 +6,6 @@
 from littlepay.config import (
     DEFAULT_CONFIG,
     DEFAULT_CREDENTIALS,
-    ENV_QA,
     _get_current_path,
     _read_config,
     _write_config,
@@ -124,7 +123,7 @@ def test_Config_active_env_name_default():
     config = Config()
     config.active = {}
 
-    assert config.active_env_name == ENV_QA
+    assert config.active_env_name == ""
 
 
 def test_Config_active_env_name_update():
@@ -159,6 +158,15 @@ def test_Config_active_env():
     assert config.active_env == "the environment"
 
 
+def test_Config_active_missing():
+    config = Config()
+    config.active = {}
+    config.envs = {"qa": "qa environment"}
+
+    with pytest.raises(ValueError):
+        config.active_env
+
+
 def test_Config_active_participant_id(mocker):
     config = Config()
     config.active = {"participant": "active_participant"}