diff --git a/src/utils.cpp b/src/utils.cpp
index 9311ff3..ae50201 100644
--- a/src/utils.cpp
+++ b/src/utils.cpp
@@ -66,7 +66,7 @@ std::vector<WasteDate> parseCsv(const std::string &csv) {
     while (getline(stream, line)) {
         auto tokenVec = split(line, ";");
 
-        for (int i = 0; i < tokenVec.size(); i++) {
+        for (unsigned i = 0; i < tokenVec.size(); i++) {
             string token = tokenVec.at(i);
 
             if (token.length() == 0)
@@ -182,7 +182,7 @@ void wifi_enable() {
 }
 
 void wifi_disable() {
-    
+
     cyw43_arch_gpio_put(CYW43_WL_GPIO_LED_PIN, 0);
     cyw43_wifi_leave(&cyw43_state, CYW43_ITF_STA);
 }
\ No newline at end of file
diff --git a/src/utils.h b/src/utils.h
index 2c54569..dbcb4d2 100644
--- a/src/utils.h
+++ b/src/utils.h
@@ -21,8 +21,8 @@ struct WasteDate {
 
 std::vector<WasteDate> parseCsv(const std::string &csv);
 
-static int wifi_setup(uint32_t country, const std::string &ssid, const std::string &pw,
-                           bool firstTry = true);
+int wifi_setup(uint32_t country, const std::string &ssid, const std::string &pw,
+               bool firstTry = true);
 void wifi_enable();
 
 void wifi_disable();