diff --git a/plugins/decman-pacman/tests/test_decman_plugins_pacman.py b/plugins/decman-pacman/tests/test_decman_plugins_pacman.py
index 1fee01c..911fb82 100644
--- a/plugins/decman-pacman/tests/test_decman_plugins_pacman.py
+++ b/plugins/decman-pacman/tests/test_decman_plugins_pacman.py
@@ -195,7 +195,7 @@ def test_apply_returns_false_on_command_failure(monkeypatch: pytest.MonkeyPatch)
             pass
 
         def get_native_explicit(self) -> set[str]:
-            raise pacman_plugin.errors.CommandFailedError(["get_native_explicit"], "boom")
+            raise pacman_plugin.errors.CommandFailedError(["get_native_explicit"], 10, "boom")
 
     monkeypatch.setattr(pacman_plugin, "PacmanInterface", FailingPM)
 
diff --git a/src/decman/core/command.py b/src/decman/core/command.py
index 7a5be44..8170316 100644
--- a/src/decman/core/command.py
+++ b/src/decman/core/command.py
@@ -218,9 +218,9 @@ def check_run_result(
     code, output = result
     if code != 0:
         if include_output:
-            raise errors.CommandFailedError(command, output)
+            raise errors.CommandFailedError(command, code, output)
         else:
-            raise errors.CommandFailedError(command, None)
+            raise errors.CommandFailedError(command, code, None)
     return code, output
 
 
diff --git a/src/decman/core/error.py b/src/decman/core/error.py
index 1331171..9aef8c6 100644
--- a/src/decman/core/error.py
+++ b/src/decman/core/error.py
@@ -74,13 +74,17 @@ class CommandFailedError(Exception):
 
     Attributes:
         command (list[str]): The command that caused the exception.
+        exit_code (int): The exit code of the command
         output (str|None): Output of the command.
     """
 
-    def __init__(self, command: list[str], output: str | None) -> None:
+    def __init__(self, command: list[str], exit_code: int, output: str | None) -> None:
         self.command = shlex.join(command)
+        self.exit_code = exit_code
         if output:
             self.output: str | None = output.strip()
         else:
             self.output = None
-        super().__init__(f"Command '{self.command}' returned with a non-zero exit code.")
+        super().__init__(
+            f"Command '{self.command}' returned with a non-zero exit code {self.exit_code}."
+        )
diff --git a/src/decman/extras/gpg.py b/src/decman/extras/gpg.py
index 33a8fbc..8a96046 100644
--- a/src/decman/extras/gpg.py
+++ b/src/decman/extras/gpg.py
@@ -100,6 +100,7 @@ class _GPGInterface:
             "--no-tty",
             "--import-ownertrust",
         ]
+        # use subprocess manually since decman exposed functions don't allow setting input
         p = subprocess.run(
             cmd,
             input=data,
@@ -110,7 +111,7 @@ class _GPGInterface:
             check=False,
         )
         if p.returncode != 0:
-            raise CommandFailedError(cmd, p.stdout)
+            raise CommandFailedError(cmd, p.returncode, p.stdout)
 
     def delete_keys(self, fingerprints: list[str]):
         decman.prg(