diff --git a/Z80/Z80.cs b/Z80/Z80.cs
index c9288b3..b6bcb39 100644
--- a/Z80/Z80.cs
+++ b/Z80/Z80.cs
@@ -365,6 +365,7 @@ namespace EightBit
                 }
                 else if (this.INT.Lowered())
                 {
+                    this.RaiseINT();
                     this.RaiseHALT();
                     if (this.IFF1)
                     {