diff --git a/ibm_db_dbi.py b/ibm_db_dbi.py
index 016930ea..55fb9e12 100644
--- a/ibm_db_dbi.py
+++ b/ibm_db_dbi.py
@@ -1534,7 +1534,9 @@ def _callproc_helper(self, procname, parameters=None):
             # Convert date/time and binary objects to string for
             # inserting into the database.
             for param in parameters:
-                if isinstance(param, CONVERT_STR):
+                if isinstance(param, memoryview):
+                    param = param.tobytes()
+                elif isinstance(param, CONVERT_STR):
                     param = str(param)
                 buff.append(param)
             parameters = tuple(buff)
@@ -1880,7 +1882,9 @@ def executemany(self, operation, seq_parameters):
         for index in range(len(seq_parameters)):
             buff = []
             for param in seq_parameters[index]:
-                if isinstance(param, CONVERT_STR):
+                if isinstance(param, memoryview):
+                    param = param.tobytes()
+                elif isinstance(param, CONVERT_STR):
                     param = str(param)
                 buff.append(param)
             seq_buff.append(tuple(buff))