diff --git a/src/settings.h b/src/settings.h
index cd0f786..de7154e 100644
--- a/src/settings.h
+++ b/src/settings.h
@@ -2,15 +2,17 @@
 
 #include "pico/flash.h"
 
-const uint16_t MAGIC_NUMBER = 2;
+const uint16_t MAGIC_NUMBER = 3;
 
 enum class Mode : uint8_t { IambicA = 0, IambicB, Straight };
 
 struct Settings {
     uint16_t magic_number {MAGIC_NUMBER};   // Bytes:  2
     Mode mode {Mode::IambicB};              // Bytes:  1
-    uint8_t wpm {18};                       // Bytes:  1
-    uint8_t dummy[FLASH_PAGE_SIZE - 4] {0}; // Sum  :  4
+    uint8_t wpm {0};                        // Bytes:  1
+    uint8_t wpmPotiMin {5};                 // Bytes:  1
+    uint8_t wpmPotiMax {55};                // Bytes:  1
+    uint8_t dummy[FLASH_PAGE_SIZE - 6] {0}; // Sum  :  6
 };
 
 void store_settings(Settings &settings);