diff --git a/platformio.ini b/platformio.ini
index 5e40e0c9..0dbcefc5 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -226,17 +226,17 @@ build_flags =
   -DESP8266
   -DFP_IN_IROM
   ;-Wno-deprecated-declarations
-  ;-Wno-register
+  ;-Wno-register   ;; leaves some warnings when compiling C files: command-line option '-Wno-register' is valid for C++/ObjC++ but not for C
 	;-Wno-misleading-indentation
-; NONOSDK22x_190703 = 2.2.2-dev(38a443e)
+  ; NONOSDK22x_190703 = 2.2.2-dev(38a443e)
   -DPIO_FRAMEWORK_ARDUINO_ESPRESSIF_SDK22x_190703
-; lwIP 2 - Higher Bandwidth no Features
-;  -DPIO_FRAMEWORK_ARDUINO_LWIP2_HIGHER_BANDWIDTH_LOW_FLASH
-; lwIP 1.4 - Higher Bandwidth (Aircoookie has)
-   -DPIO_FRAMEWORK_ARDUINO_LWIP_HIGHER_BANDWIDTH
-; VTABLES in Flash
+  ; lwIP 2 - Higher Bandwidth no Features
+  ;  -DPIO_FRAMEWORK_ARDUINO_LWIP2_HIGHER_BANDWIDTH_LOW_FLASH
+  ; lwIP 1.4 - Higher Bandwidth (Aircoookie has)
+  -DPIO_FRAMEWORK_ARDUINO_LWIP_HIGHER_BANDWIDTH
+  ; VTABLES in Flash
   -DVTABLES_IN_FLASH
-; restrict to minimal mime-types
+  ; restrict to minimal mime-types
   -DMIMETYPE_MINIMAL
 
 lib_deps = 
@@ -915,6 +915,7 @@ platform_packages = ${esp32.platformV4_packages}
 build_unflags = ${common.build_unflags}
 build_flags = ${common.build_flags} ${esp32.build_flagsV4} ${common_mm.build_flags_S}
   -Wno-misleading-indentation -Wno-format-truncation 
+  -Wshadow=compatible-local ;; emit warning in case a local variable "shadows" another local one
   -D WLED_ENABLE_DMX_INPUT
 lib_deps = ${esp32.lib_depsV4} ${common_mm.lib_deps_S}
 board_build.partitions = ${esp32.default_partitions}
diff --git a/wled00/wled.cpp b/wled00/wled.cpp
index bcc2b05f..c95e4c4f 100644
--- a/wled00/wled.cpp
+++ b/wled00/wled.cpp
@@ -958,10 +958,10 @@ void WLED::initInterfaces()
         #endif
       #endif
     } else {
-      IPAddress ipAddress = Network.localIP();
-      netDebugPrintIP[0] = ipAddress[0];
-      netDebugPrintIP[1] = ipAddress[1];
-      netDebugPrintIP[2] = ipAddress[2];
+      IPAddress ndIpAddress = Network.localIP();
+      netDebugPrintIP[0] = ndIpAddress[0];
+      netDebugPrintIP[1] = ndIpAddress[1];
+      netDebugPrintIP[2] = ndIpAddress[2];
     }
   }
   if (netDebugPrintPort == 0)