diff --git a/Parser/parser.c b/Parser/parser.c
index 213410c..45302ed 100644
--- a/Parser/parser.c
+++ b/Parser/parser.c
@@ -75,7 +75,7 @@
 	
 	if (!g->g_accel)
 		PyGrammar_AddAccelerators(g);
-	ps = PyMem_NEW(parser_state, 1);
+	ps = (parser_state *)PyMem_MALLOC(sizeof(parser_state));
 	if (ps == NULL)
 		return NULL;
 	ps->p_grammar = g;
@@ -84,7 +84,7 @@
 #endif
 	ps->p_tree = PyNode_New(start);
 	if (ps->p_tree == NULL) {
-		PyMem_DEL(ps);
+		PyMem_FREE(ps);
 		return NULL;
 	}
 	s_reset(&ps->p_stack);
@@ -98,7 +98,7 @@
 	/* NB If you want to save the parse tree,
 	   you must set p_tree to NULL before calling delparser! */
 	PyNode_Free(ps->p_tree);
-	PyMem_DEL(ps);
+	PyMem_FREE(ps);
 }