diff --git a/src/cpu.cpp b/src/cpu.cpp
index 0c8a8f1..4c60855 100644
--- a/src/cpu.cpp
+++ b/src/cpu.cpp
@@ -1473,6 +1473,7 @@ void CPU::call()
 
 		if (!should_call) {
 			m_wait_cycles += 12;
+			return;
 		}
 		m_wait_cycles += 24;