diff --git a/yasnd.c b/yasnd.c
index cb40775..2a0261d 100644
--- a/yasnd.c
+++ b/yasnd.c
@@ -53,15 +53,18 @@ void* allocate_memory(int bytes)
 */
 void lpt_init()
 {
-	if (ioperm (lpt_port, 3, 1))
+	if (lpt_enable)
 	{
-		log_event("Error: Unlocking the circuit fails due to LPT port access error");
-		// disable LPT port usage
-		lpt_enable=false;
-		return;
+		if (ioperm (lpt_port, 3, 1))
+		{
+			log_event("Error: Unlocking the circuit fails due to LPT port access error");
+			// disable LPT port usage
+			lpt_enable=false;
+			return;
+		}
+		// Unlock circuit
+		outb (0, lpt_port);
 	}
-	// Unlock circuit
-	outb (0, lpt_port);
 }
 
 /*
@@ -71,15 +74,18 @@ void lpt_init()
 */
 void lpt_lock()
 {
-	if (ioperm (lpt_port, 3, 1))
+	if (lpt_enable)
 	{
-		log_event("Error: Locking the circuit fails due to LPT port access error");
-		// disable LPT port usage
-		lpt_enable=false;
-		return;
+		if (ioperm (lpt_port, 3, 1))
+		{
+			log_event("Error: Locking the circuit fails due to LPT port access error");
+			// disable LPT port usage
+			lpt_enable=false;
+			return;
+		}
+		// Lock circuit
+		outb (1, lpt_port);
 	}
-	// Lock circuit
-	outb (1, lpt_port);
 }
 
 // Function, that checks that defined host entry is valid
@@ -164,8 +170,7 @@ void init()
 	if (sms_enable)
 		gammu_init();
 	// initialize LPT control circuit
-	if (lpt_enable)
-		lpt_init();
+	lpt_init();
 }
 
 void check_host(int num,host_decl* host)
@@ -198,23 +203,26 @@ void check_host(int num,host_decl* host)
 */
 void reset_pin(int pin_num)
 {
-	if (pin_num==0)
-		return; // there is no LPT control for target host
-	if (pin_num<0 || pin_num>8)
+	if (lpt_enable)
 	{
-		log_event("Error: incorrent LPT pin number");
-		return;
+		if (pin_num==0)
+			return; // there is no LPT control for target host
+		if (pin_num<0 || pin_num>8)
+		{
+			log_event("Error: incorrent LPT pin number");
+			return;
+		}
+		int pins = 1<<(pin_num);
+		if (ioperm (lpt_port, 3, 1))
+		{
+			log_event("Error: LPT port access error");
+			return;
+		}
+		// Reset host
+		outb (pins, lpt_port);
+		sleep(1);
+		outb (0, lpt_port);
 	}
-	int pins = 1<<(pin_num);
-	if (ioperm (lpt_port, 3, 1))
-	{
-		log_event("Error: LPT port access error");
-		return;
-	}
-	// Reset host
-	outb (pins, lpt_port);
-	sleep(1);
-	outb (0, lpt_port);
 }
 
 int loop_function()
@@ -319,8 +327,7 @@ void signal_handler(int signum)
 	{
 		log_event("SIGTERM captured, daemon stopping");
 		// block LPT control circuit
-		if (lpt_enable)
-			lpt_lock();
+		lpt_lock();
 		// close log decriptor
 		closelog();
 		// free resources