diff --git a/sysbus/sysbus.vhdl b/sysbus/sysbus.vhdl
index 36518a1..2cdd6c9 100644
--- a/sysbus/sysbus.vhdl
+++ b/sysbus/sysbus.vhdl
@@ -130,6 +130,8 @@ begin
             bus_we <= '0';
             bus_re <= '1';
 
+            m1_busy <= '1';
+
           when "0001" =>
             state_next <= READING;
             owner_next <= "01";
@@ -138,6 +140,8 @@ begin
             bus_we <= '0';
             bus_re <= '1';
 
+            m0_busy <= '1';
+
           when "0011" =>
             state_next <= READING;
             owner_next <= "10";