diff --git a/transpile_python/service_test.go b/transpile_python/service_test.go
index 50c544a..0448180 100644
--- a/transpile_python/service_test.go
+++ b/transpile_python/service_test.go
@@ -396,7 +396,7 @@ main()
 					wr := Net("MEM_WR#")
 					addr := Bus("MEM_ADDR", 20)
 					data := Bus("MEM_DATA", 16)
-					mem_intfc = Interface(rd, wr, addr, data)
+					mem_intfc = Interface(rd == rd, wr == wr, addr == addr, data == data)
 					mem_module(mem_intfc)
 					uc_module(clk, mem_intfc, io_intfc)
 				}
@@ -414,7 +414,7 @@ def main():
 	wr = Net("MEM_WR#")
 	addr = Bus("MEM_ADDR",20)
 	data = Bus("MEM_DATA",16)
-	mem_intfc = Interface(rd,wr,addr,data)
+	mem_intfc = Interface(rd=rd,wr=wr,addr=addr,data=data)
 	mem_module(mem_intfc)
 	uc_module(clk,mem_intfc,io_intfc)
 main()