diff --git a/include/items/LoggingClass.h b/include/items/LoggingClass.h
index 29780656..bf3d06c7 100644
--- a/include/items/LoggingClass.h
+++ b/include/items/LoggingClass.h
@@ -18,7 +18,6 @@ class LoggingClass {
    private:
     unsigned long currentMillis;
     unsigned long prevMillis;
-    unsigned long difference;
 
     unsigned long _period;
     unsigned int _maxPoints;
diff --git a/src/items/LoggingClass.cpp b/src/items/LoggingClass.cpp
index fcac32cb..45a0517f 100644
--- a/src/items/LoggingClass.cpp
+++ b/src/items/LoggingClass.cpp
@@ -10,7 +10,7 @@ LoggingClass::~LoggingClass() {}
 
 void LoggingClass::loop() {
     currentMillis = millis();
-    difference = currentMillis - prevMillis;
+    unsigned long difference = currentMillis - prevMillis;
     if (difference >= _period) {
         prevMillis = millis();
         writeDate();