diff --git a/Modules/LDAPObject.c b/Modules/LDAPObject.c
index 4800724..cff9337 100644
--- a/Modules/LDAPObject.c
+++ b/Modules/LDAPObject.c
@@ -112,7 +112,8 @@ Tuple_to_LDAPMod( PyObject* tup, int no_op )
     Py_ssize_t i, len, nstrs;
 
     if (!PyTuple_Check(tup)) {
-        return LDAPerror_TypeError("expected a tuple", tup);
+        LDAPerror_TypeError("expected a tuple", tup);
+        return NULL;
     }
 
     if (no_op) {
@@ -209,13 +210,15 @@ List_to_LDAPMods( PyObject *list, int no_op ) {
     PyObject *item;
 
     if (!PySequence_Check(list)) {
-        return LDAPerror_TypeError("expected list of tuples", list);
+        LDAPerror_TypeError("expected list of tuples", list);
+        return NULL;
     }
 
     len = PySequence_Length(list);
 
     if (len < 0) {
-        return LDAPerror_TypeError("expected list of tuples", list);
+        LDAPerror_TypeError("expected list of tuples", list);
+        return NULL;
     }
 
     lms = PyMem_NEW(LDAPMod *, len + 1);
diff --git a/Modules/ldapcontrol.c b/Modules/ldapcontrol.c
index 3f5b2c4..b76d33c 100644
--- a/Modules/ldapcontrol.c
+++ b/Modules/ldapcontrol.c
@@ -71,7 +71,8 @@ Tuple_to_LDAPControl( PyObject* tup )
     Py_ssize_t len;
 
     if (!PyTuple_Check(tup)) {
-      return LDAPerror_TypeError("expected a tuple", tup);
+      LDAPerror_TypeError("expected a tuple", tup);
+      return NULL;
     }
 
     if (!PyArg_ParseTuple( tup, "sbO", &oid, &iscritical, &bytes ))