diff --git a/cpu.cpp b/cpu.cpp
index 7712e7f..282f799 100644
--- a/cpu.cpp
+++ b/cpu.cpp
@@ -1687,7 +1687,7 @@ bool cpu::misc_operations(const uint16_t instr)
 #else
 				std::unique_lock<std::mutex> lck(qi_lock);
 
-				while (check_pending_interrupts() == false)
+				if (check_pending_interrupts() == false)
 					qi_cv.wait(lck);
 #endif
 				uint64_t end = get_us();