diff --git a/cura/BackendPlugin.py b/cura/BackendPlugin.py
index b3c236535b..fda09165bb 100644
--- a/cura/BackendPlugin.py
+++ b/cura/BackendPlugin.py
@@ -90,15 +90,12 @@ class BackendPlugin(AdditionalSettingDefinitionsAppender, PluginObject):
                     "stdin": None,
                     "stdout": f,  # Redirect output to file
                     "stderr": subprocess.STDOUT,  # Combine stderr and stdout
-                    "env": os.environ
+                    "env": dict(os.environ)
                 }
-                run_prep_cmd = ""
                 if Platform.isWindows():
                     popen_kwargs["creationflags"] = subprocess.CREATE_NO_WINDOW
-                else:
-                    run_prep_cmd = f"LD_LIBRARY_PATH={os.environ['LD_LIBRARY_PATH']}:$LD_LIBRARY_PATH "
                 Logger.info(f"Starting plugin with: {popen_kwargs}")
-                self._process = subprocess.Popen(f"{run_prep_cmd}{self._validatePluginCommand()}", **popen_kwargs)
+                self._process = subprocess.Popen(self._validatePluginCommand(), **popen_kwargs)
             self._is_running = True
             return True
         except PermissionError: