diff --git a/gssapi/raw/creds.pyx b/gssapi/raw/creds.pyx
index a4ec11a6..b9bf49f2 100644
--- a/gssapi/raw/creds.pyx
+++ b/gssapi/raw/creds.pyx
@@ -80,7 +80,7 @@ cdef class Creds:
             self.raw_creds = NULL
 
 
-def acquire_cred(Name name, lifetime=None, mechs=None, usage='both'):
+def acquire_cred(Name name=None, lifetime=None, mechs=None, usage='both'):
     """
     Get GSSAPI credentials for the given name and mechanisms.
 
diff --git a/gssapi/raw/ext_cred_store.pyx b/gssapi/raw/ext_cred_store.pyx
index c835b2e5..e6fa724c 100644
--- a/gssapi/raw/ext_cred_store.pyx
+++ b/gssapi/raw/ext_cred_store.pyx
@@ -94,7 +94,7 @@ cdef void c_free_key_value_set(gss_key_value_set_desc *kvset):
 
 # TODO(directxman12): some of these probably need a "not null",
 #                     but that's not clear from the wiki page
-def acquire_cred_from(dict store, Name name, lifetime=None,
+def acquire_cred_from(dict store=None, Name name=None, lifetime=None,
                       mechs=None, usage='both'):
     """Acquire credentials from the given store
 
diff --git a/gssapi/raw/names.pyx b/gssapi/raw/names.pyx
index b9f5d2a8..8ffeb7e3 100644
--- a/gssapi/raw/names.pyx
+++ b/gssapi/raw/names.pyx
@@ -163,7 +163,7 @@ def display_name(Name name not None, name_type=True):
         raise GSSError(maj_stat, min_stat)
 
 
-def compare_name(Name name1, Name name2):
+def compare_name(Name name1=None, Name name2=None):
     """
     Check two GSSAPI names to see if they are the same.