diff --git a/src/cpu.rs b/src/cpu.rs
index eed11cb..83a32a6 100644
--- a/src/cpu.rs
+++ b/src/cpu.rs
@@ -110,6 +110,8 @@ impl CPU
 		}
 
 		self.execute();
+
+		self.cycle -= 1;
 	}
 
 	fn execute(&mut self)