diff --git a/platformio.ini b/platformio.ini
index 6699f0b..0048dd8 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -9,7 +9,7 @@ framework = arduino
 monitor_speed = 115200
 upload_speed = 921600
 check_tool = cppcheck
-check_flags = --enable=all --suppress=missingIncludeSystem --suppress=unusedFunction --suppress=unmatchedSuppression --inline-suppr
+check_flags = --enable=all --suppress=missingIncludeSystem --suppress=unusedFunction --suppress=unmatchedSuppression --suppress=*:*/.pio/* --inline-suppr
 check_skip_packages = yes
 
 board_upload.flash_size = 16MB
diff --git a/src/network/OtaUpdater.h b/src/network/OtaUpdater.h
index 6da193f..dfaee88 100644
--- a/src/network/OtaUpdater.h
+++ b/src/network/OtaUpdater.h
@@ -7,7 +7,7 @@ class OtaUpdater {
   bool updateAvailable = false;
   std::string latestVersion;
   std::string otaUrl;
-  size_t otaSize;
+  size_t otaSize = 0;
 
  public:
   enum OtaUpdaterError {