diff --git a/src/driver/simple_display.cpp b/src/driver/simple_display.cpp
index 876de199e..b48643fc4 100644
--- a/src/driver/simple_display.cpp
+++ b/src/driver/simple_display.cpp
@@ -465,7 +465,7 @@ void CLCD::setMode(const MODES m, const char * const title)
 	mode = m;
 
 	setlcdparameter();
-	proc_put("/proc/stb/lcd/show_symbols", "1", 1);
+	proc_put("/proc/stb/lcd/show_symbols", true);
 	switch (m) {
 	case MODE_TVRADIO:
 		if (g_info.hw_caps->display_type == HW_DISPLAY_LINE_TEXT)
@@ -495,7 +495,7 @@ void CLCD::setMode(const MODES m, const char * const title)
 			setled(0, 1);
 		showclock = true;
 		showTime(true);
-		proc_put("/proc/stb/lcd/show_symbols", "0", 1);
+		proc_put("/proc/stb/lcd/show_symbols", false);
 		break;
 	default:
 		showclock = true;
@@ -593,10 +593,10 @@ void CLCD::setScrollMode(int scroll)
 	}
 	else
 	{
-		proc_put("/proc/stb/lcd/initial_scroll_delay", "0", 1);
-		proc_put("/proc/stb/lcd/final_scroll_delay", "0", 1);
-		proc_put("/proc/stb/lcd/scroll_delay", "0", 1);
-		proc_put("/proc/stb/lcd/scroll_repeats", "0", 1);
+		proc_put("/proc/stb/lcd/initial_scroll_delay", false);
+		proc_put("/proc/stb/lcd/final_scroll_delay", false);
+		proc_put("/proc/stb/lcd/scroll_delay", false);
+		proc_put("/proc/stb/lcd/scroll_repeats", false);
 	}
 }
 
@@ -810,28 +810,32 @@ void CLCD::ShowIcon(fp_icon i, bool on)
 	{
 		case FP_ICON_CAM1:
 			led_r = on;
-			if (g_info.hw_caps->display_type == HW_DISPLAY_LINE_TEXT) {
+			if (g_info.hw_caps->display_type == HW_DISPLAY_LINE_TEXT)
+			{
 				SetIcons(SPARK_REC1, on);
-				proc_put("/proc/stb/lcd/symbol_recording", on ? "1" : "0", 1);}
+				proc_put("/proc/stb/lcd/symbol_recording", on);
+			}
 			else
 				setled(led_r, -1); /* switch instant on / switch off if disabling */
 			break;
 		case FP_ICON_PLAY:
 			led_g = on;
-			if (g_info.hw_caps->display_type == HW_DISPLAY_LINE_TEXT) {
+			if (g_info.hw_caps->display_type == HW_DISPLAY_LINE_TEXT)
+			{
 				SetIcons(SPARK_PLAY, on);
-				proc_put("/proc/stb/lcd/symbol_playback", on ? "1" : "0", 1);}
+				proc_put("/proc/stb/lcd/symbol_playback", on);
+			}
 			else
 				setled(-1, led_g);
 			break;
 		case FP_ICON_USB:
 			usb_icon = on;
 			SetIcons(SPARK_USB, on);
-			proc_put("/proc/stb/lcd/symbol_usb", on ? "1" : "0", 1);
+			proc_put("/proc/stb/lcd/symbol_usb", on);
 			break;
 		case FP_ICON_HDD:
 			SetIcons(SPARK_HDD, on);
-			proc_put("/proc/stb/lcd/symbol_hdd", on ? "1" : "0", 1);
+			proc_put("/proc/stb/lcd/symbol_hdd", on);
 			break;
 		case FP_ICON_PAUSE:
 			SetIcons(SPARK_PAUSE, on);
@@ -848,14 +852,14 @@ void CLCD::ShowIcon(fp_icon i, bool on)
 			break;
 		case FP_ICON_LOCK:
 			SetIcons(SPARK_CA, on);
-			proc_put("/proc/stb/lcd/symbol_scrambled", on ? "1" : "0", 1);
+			proc_put("/proc/stb/lcd/symbol_scrambled", on);
 			break;
 		case FP_ICON_RADIO:
 			SetIcons(SPARK_AUDIO, on);
 			break;
 		case FP_ICON_TV:
 			SetIcons(SPARK_TVMODE_LOG, on);
-			proc_put("/proc/stb/lcd/symbol_tv", on ? "1" : "0", 1);
+			proc_put("/proc/stb/lcd/symbol_tv", on);
 			break;
 		case FP_ICON_HD:
 			SetIcons(SPARK_DOUBLESCREEN, on);
@@ -863,7 +867,7 @@ void CLCD::ShowIcon(fp_icon i, bool on)
 		case FP_ICON_CLOCK:
 			timer_icon = on;
 			SetIcons(SPARK_CLOCK, on);
-			proc_put("/proc/stb/lcd/symbol_timeshift", on ? "1" : "0", 1);
+			proc_put("/proc/stb/lcd/symbol_timeshift", on);
 			break;
 		default:
 			break;