diff --git a/python/grass/pygrass/modules/interface/module.py b/python/grass/pygrass/modules/interface/module.py
index 723ea5b5224..6690f38339c 100644
--- a/python/grass/pygrass/modules/interface/module.py
+++ b/python/grass/pygrass/modules/interface/module.py
@@ -555,7 +555,7 @@ def __init__(self, cmd, *args, **kargs):
         except OSError as e:
             print("OSError error({0}): {1}".format(e.errno, e.strerror))
             str_err = "Error running: `%s --interface-description`."
-            raise GrassError(str_err % self.name)
+            raise GrassError(str_err % self.name) from e
         # get the xml of the module
         self.xml = get_cmd_xml.communicate()[0]
         # transform and parse the xml into an Element class: