diff --git a/pype/hosts/maya/plugins/publish/validate_unicode_strings.py b/pype/hosts/maya/plugins/publish/validate_unicode_strings.py
deleted file mode 100644
index cfcba4f514..0000000000
--- a/pype/hosts/maya/plugins/publish/validate_unicode_strings.py
+++ /dev/null
@@ -1,40 +0,0 @@
-import os
-from maya import cmds
-
-import pyblish.api
-import pype.api
-import pype.hosts.maya.api.action
-
-
-class ValidateUnicodeStrings(pyblish.api.Validator):
-    """Validate all environment variables are string type.
-
-    """
-
-    order = pype.api.ValidateContentsOrder
-    hosts = ['maya']
-    families = ['review']
-    label = 'Unicode Strings'
-    actions = [pype.api.RepairAction]
-
-    def process(self, instance):
-        invalid = self.get_invalid(instance)
-        if invalid:
-            raise RuntimeError("Found unicode strings in environment variables.")
-
-    @classmethod
-    def get_invalid(cls, instance):
-        invalid = []
-        for key, value in os.environ.items():
-            if type(value) is type(u't'):
-                invalid.append((key, value))
-
-        return invalid
-
-    @classmethod
-    def repair(cls, instance):
-        """Retype all unicodes to strings."""
-
-        for key, value in os.environ.items():
-            if type(value) is type(u't'):
-                os.environ[key] = str(value)
diff --git a/pype/lib/execute.py b/pype/lib/execute.py
index 7e37e5d6da..f815d05f1b 100644
--- a/pype/lib/execute.py
+++ b/pype/lib/execute.py
@@ -94,7 +94,7 @@ def run_subprocess(*args, **kwargs):
     # not passed.
     env = kwargs.get("env") or os.environ
     # Make sure environment contains only strings
-    filtered_env = {k: str(v) for k, v in env.items()}
+    filtered_env = {str(k): str(v) for k, v in env.items()}
 
     # Use lib's logger if was not passed with kwargs.
     logger = kwargs.pop("logger", log)
diff --git a/pype/plugins/publish/repair_unicode_strings.py b/pype/plugins/publish/repair_unicode_strings.py
new file mode 100644
index 0000000000..fdd4bb7d03
--- /dev/null
+++ b/pype/plugins/publish/repair_unicode_strings.py
@@ -0,0 +1,15 @@
+import os
+import pyblish.api
+
+
+class RepairUnicodeStrings(pyblish.api.Collector):
+    """Validate all environment variables are string type.
+
+    """
+
+    order = pyblish.api.CollectorOrder
+    label = 'Unicode Strings'
+
+    def process(self, context):
+        for key, value in os.environ.items():
+            os.environ[str(key)] = str(value)