diff --git a/combinatorial_LR_parser.py b/combinatorial_LR_parser.py
index a982f3e24bdfe8410d934dfd6dc1f5af94cdcb9d..dca8986fbcd356ef9ec80c8a2adf79220370265b 100644
--- a/combinatorial_LR_parser.py
+++ b/combinatorial_LR_parser.py
@@ -652,7 +652,7 @@ class DummyPlug(Elaboratable):
 
         m = Module()
         # BOTTOM = start of parse
-        mem = Memory(width=16, depth=256, init=[0xE103, ADDOP, 0xE102, MULTOP, 0xE105, ENDOFPARSE])
+        mem = Memory(width=16, depth=256, init=[OPENPAREN,0xE103, ADDOP, 0xE102,CLOSEPAREN, MULTOP, 0xE105, ENDOFPARSE])
         m.submodules.parse_data = rdport = mem.read_port()