diff --git a/main.cpp b/main.cpp
index f8b0c03..51215b4 100644
--- a/main.cpp
+++ b/main.cpp
@@ -12,12 +12,12 @@ volatile uint8_t sampleReady = 0; //zmienna kotrolująca możliwość podania no
 volatile uint8_t adcVal = 0;
 volatile uint8_t effect = REVERB; //wybrany efekt
 volatile uint32_t counter = 0;
-const uint8_t sine [101] = {0,0,0,0,1,1,2,2,3,4,5,6,7,8,10,11,12,14,16,17,19,21,23,25,27,29,32,34,36,39,41,44,46,49,
+static const uint8_t sine [101] = {0,0,0,0,1,1,2,2,3,4,5,6,7,8,10,11,12,14,16,17,19,21,23,25,27,29,32,34,36,39,41,44,46,49,
 52,55,57,60,63,66,69,72,75,78,81,84,87,91,94,97,100,103,106,109,113,116,119,122,125,128,131,134,137,140,143,145,148,
 151,154,156,159,161,164,166,168,171,173,175,177,179,181,183,184,186,188,189,190,192,193,194,195,196,197,198,198,199,
 199,200,200,200,200};
 volatile uint8_t effectSetting = 5;
-const uint8_t effectSettingVector [9] = {0, 5, 15, 30, 55, 90, 130, 180, 255};
+static const uint8_t effectSettingVector [9] = {0, 5, 15, 30, 55, 90, 130, 180, 255};
 volatile uint8_t encoderDir = 0; //0 - w lewo, 1 - w prawo
 volatile uint8_t encoderServed = 1;