diff --git a/src/electronics/port.cpp b/src/electronics/port.cpp
index 8a92402..a173918 100644
--- a/src/electronics/port.cpp
+++ b/src/electronics/port.cpp
@@ -240,7 +240,7 @@ TQStringList SerialPort::ports( unsigned probeResult )
 
 
 //BEGIN class ParallelPort
-const int IRTQ_MODE_BIT = 1 << 20; // Controls if pin 10 (Ack) causes interrupts
+const int IRQ_MODE_BIT = 1 << 20; // Controls if pin 10 (Ack) causes interrupts
 const int INPUT_MODE_BIT = 1 << 21; // Controls if the data pins are input or output
 const int ALWAYS_INPUT_PINS = ParallelPort::STATUS_PINS;
 
@@ -279,8 +279,8 @@ void ParallelPort::reset()
 	m_reg[Data] = 0;
 	m_reg[Status] = 0;
 	m_reg[Control] = 0;
-	m_outputPins = INPUT_MODE_BIT | IRTQ_MODE_BIT;
-	m_inputPins = ALWAYS_INPUT_PINS | INPUT_MODE_BIT | IRTQ_MODE_BIT;
+	m_outputPins = INPUT_MODE_BIT | IRQ_MODE_BIT;
+	m_inputPins = ALWAYS_INPUT_PINS | INPUT_MODE_BIT | IRQ_MODE_BIT;
 }