diff --git a/include/docstrings/pydisk.h b/include/docstrings/pydisk.h
index 77a399f..f9f6f09 100644
--- a/include/docstrings/pydisk.h
+++ b/include/docstrings/pydisk.h
@@ -82,6 +82,12 @@ PyDoc_STRVAR(partition_get_path_doc,
 "level.  For instance, on Linux this could return '/dev/sda' for a partition.\n"
 "If an error occurs, _ped.PartitionException is raised.");
 
+PyDoc_STRVAR(partition_reset_num_doc,
+"reset_num(self) -> boolean\n\n"
+"Reset the partition's number to value allowing it to be set correctly when\n"
+"the partition is added to _ped.PartedDisk. The returned value means\n"
+"success/failure");
+
 PyDoc_STRVAR(disk_duplicate_doc,
 "duplicate(self) -> Disk\n\n"
 "Return a new Disk that is a copy of self.  This method raises\n"
diff --git a/include/pydisk.h b/include/pydisk.h
index 6f6bff7..ef37a58 100644
--- a/include/pydisk.h
+++ b/include/pydisk.h
@@ -134,6 +134,7 @@ PyObject *py_ped_partition_set_name(_ped_Partition *, PyObject *);
 PyObject *py_ped_partition_get_name(_ped_Partition *, PyObject *);
 PyObject *py_ped_partition_is_busy(_ped_Partition *, PyObject *);
 PyObject *py_ped_partition_get_path(_ped_Partition *, PyObject *);
+PyObject *py_ped_partition_reset_num(_ped_Partition *, PyObject *);
 PyObject *py_ped_partition_type_get_name(PyObject *, PyObject *);
 PyObject *py_ped_partition_flag_get_name(PyObject *, PyObject *);
 PyObject *py_ped_partition_flag_get_by_name(PyObject *, PyObject *);
diff --git a/include/typeobjects/pydisk.h b/include/typeobjects/pydisk.h
index 3cadf7d..3adca3f 100644
--- a/include/typeobjects/pydisk.h
+++ b/include/typeobjects/pydisk.h
@@ -60,6 +60,8 @@ static PyMethodDef _ped_Partition_methods[] = {
                 partition_is_busy_doc},
     {"get_path", (PyCFunction) py_ped_partition_get_path, METH_VARARGS,
                  partition_get_path_doc},
+    {"reset_num", (PyCFunction) py_ped_partition_reset_num, METH_VARARGS,
+                  partition_reset_num_doc},
     {NULL}
 };
 
diff --git a/src/parted/partition.py b/src/parted/partition.py
index ee3e2d0..c91dbc4 100644
--- a/src/parted/partition.py
+++ b/src/parted/partition.py
@@ -246,6 +246,10 @@ class Partition(object):
            For internal module use only."""
         return self.__partition
 
+    def resetNumber(self):
+        """Reset the partition's number to default"""
+        return self.__partition.reset_num()
+
 # collect all partition flags and store them in a hash
 partitionFlag = {}
 __flag = _ped.partition_flag_next(0)
diff --git a/src/pydisk.c b/src/pydisk.c
index 5a525a1..aea6282 100644
--- a/src/pydisk.c
+++ b/src/pydisk.c
@@ -1377,6 +1377,20 @@ PyObject *py_ped_partition_get_path(_ped_Partition *s, PyObject *args) {
     return PyString_FromString(ret);
 }
 
+PyObject *py_ped_partition_reset_num(_ped_Partition *s, PyObject *args) {
+    PedPartition *part = NULL;
+
+    part = _ped_Partition2PedPartition(s);
+    if (part == NULL) {
+        Py_RETURN_FALSE;
+    }
+
+    part->num = -1;
+
+    Py_RETURN_TRUE;
+}
+
+
 PyObject *py_ped_partition_type_get_name(PyObject *s, PyObject *args) {
     long type;
     char *ret = NULL;