diff --git a/pymodbus/datastore/remote.py b/pymodbus/datastore/remote.py
index 769fd6d72..f6111cb13 100644
--- a/pymodbus/datastore/remote.py
+++ b/pymodbus/datastore/remote.py
@@ -93,7 +93,7 @@ def __build_mapping(self):
             "d15": lambda a, v: self._client.write_coils(  # pylint: disable=unnecessary-lambda
                 a, v, **kwargs
             ),
-            "c5": lambda a, v: self._client.write_coils(  # pylint: disable=unnecessary-lambda
+            "c5": lambda a, v: self._client.write_coil(  # pylint: disable=unnecessary-lambda
                 a, v, **kwargs
             ),
             "c15": lambda a, v: self._client.write_coils(  # pylint: disable=unnecessary-lambda