diff --git a/UI.hpp b/UI.hpp
index 66f983a..a56673c 100644
--- a/UI.hpp
+++ b/UI.hpp
@@ -232,9 +232,9 @@ void setup_ui(void) {
   lcd.setFont(u8x8_font_amstrad_cpc_extended_f);
 #endif
   lcd.setCursor(1, 0);
-  lcd.print("MicroDexed");
+  lcd.print(F("MicroDexed"));
   lcd.setCursor(0, 1);
-  lcd.print("(c)parasiTstudio");
+  lcd.print(F("(c)parasiTstudio"));
 
 #ifdef I2C_DISPLAY
   // set special chars for scrollbar
@@ -703,7 +703,7 @@ void lcdml_menu_display(void)
         }
         else {
           lcd.setCursor((_LCDML_DISP_cols - 1), n);
-          lcd.print(' ');
+          lcd.print(F(" "));
         }
       }
     }
@@ -948,7 +948,7 @@ void UI_func_chorus_frequency(uint8_t param)
 
     lcd.setCursor(0, 1);
     lcd_display_float(configuration.chorus_frequency / 10.0, 2, 1, false, true, false);
-    lcd.print(" Hz");
+    lcd.print(F(" Hz"));
 
     modulator.frequency(configuration.chorus_frequency / 10.0);
   }
@@ -995,15 +995,15 @@ void UI_func_chorus_waveform(uint8_t param)
     {
       case 0:
         modulator.begin(WAVEFORM_TRIANGLE);
-        lcd.print("[TRIANGLE]");
+        lcd.print(F("[TRIANGLE]"));
         break;
       case 1:
         modulator.begin(WAVEFORM_SINE);
-        lcd.print("[SINE    ]");
+        lcd.print(F("[SINE    ]"));
         break;
       default:
         modulator.begin(WAVEFORM_TRIANGLE);
-        lcd.print("[TRIANGLE]");
+        lcd.print(F("[TRIANGLE]"));
         break;
     }
   }
@@ -1708,9 +1708,9 @@ void UI_func_volume(uint8_t param)
   for (uint8_t i = 0; i < LCD_cols; i++)
   {
     if (i < int((LCD_cols - 2) * configuration.vol / 100.0))
-      lcd.print("*");
+      lcd.print(F("*"));
     else
-      lcd.print(" ");
+      lcd.print(F(" "));
   }
   lcd.show(1, 0, 1, "[");
   lcd.show(1, 15, 1, "]");