diff --git a/poethepoet/context.py b/poethepoet/context.py
index 1ae766d43..5a6d3b3ac 100644
--- a/poethepoet/context.py
+++ b/poethepoet/context.py
@@ -77,7 +77,15 @@ def save_task_output(self, invocation: Tuple[str, ...], captured_stdout: bytes):
         """
         Store the stdout data from a task so that it can be reused by other tasks
         """
-        self.captured_stdout[invocation] = captured_stdout.decode()
+        try:
+            self.captured_stdout[invocation] = captured_stdout.decode()
+        except UnicodeDecodeError:
+            # Attempt to recover in case a specific encoding is configured
+            io_encoding = self.env.get("PYTHONIOENCODING")
+            if io_encoding:
+                self.captured_stdout[invocation] = captured_stdout.decode(io_encoding)
+            else:
+                raise
 
     def get_task_output(self, invocation: Tuple[str, ...]):
         """
diff --git a/poethepoet/env/manager.py b/poethepoet/env/manager.py
index 3ccfe7fec..380e798c7 100644
--- a/poethepoet/env/manager.py
+++ b/poethepoet/env/manager.py
@@ -49,6 +49,9 @@ def __init__(
 
         self._vars["POE_ROOT"] = str(self._config.project_dir)
 
+    def get(self, key: str, default: Optional[str] = None) -> Optional[str]:
+        return self._vars.get(key, default)
+
     def _apply_env_config(
         self,
         config_env: Mapping[str, Union[str, Mapping[str, str]]],
diff --git a/poethepoet/executor/base.py b/poethepoet/executor/base.py
index 05a1fa450..80bcb66fd 100644
--- a/poethepoet/executor/base.py
+++ b/poethepoet/executor/base.py
@@ -199,6 +199,10 @@ def _exec_via_subproc(
                 popen_kwargs["stdout"] = open(self.capture_stdout, "wb")
             else:
                 popen_kwargs["stdout"] = PIPE
+
+            if "PYTHONIOENCODING" not in popen_kwargs["env"]:
+                popen_kwargs["env"]["PYTHONIOENCODING"] = "utf-8"
+
         if self.working_dir is not None:
             popen_kwargs["cwd"] = self.working_dir