diff --git a/platformio.ini b/platformio.ini
index 0cd42208..834e9770 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -52,7 +52,7 @@ build_flags =
     -D_lmic_config_h_
     -include "src/paxcounter.conf"
     -include "src/hal/${PIOENV}.h"
-    -w
+;    -w
  
 [env:test]
 platform = ${common_env_data.platform_espressif32}
diff --git a/src/macsniff.cpp b/src/macsniff.cpp
index 29b1f1ad..faf5f583 100644
--- a/src/macsniff.cpp
+++ b/src/macsniff.cpp
@@ -46,10 +46,12 @@ bool mac_add(uint8_t *paddr, int8_t rssi, bool sniff_type) {
 
   char buff[16]; // temporary buffer for printf
   bool added = false;
-  int8_t beaconID;   // beacon number in test monitor mode
+  int8_t beaconID;    // beacon number in test monitor mode
   uint16_t hashedmac; // temporary buffer for generated hash value
-  uint32_t addr2int,
-      vendor2int; // temporary buffer for shortened MAC and Vendor OUI
+  uint32_t addr2int;  // temporary buffer for shortened MAC
+#ifdef VENDORFILTER
+  uinit32_t vendor2int; // temporary buffer for Vendor OUI
+#endif
 
   // only last 3 MAC Address bytes are used for MAC address anonymization
   // but since it's uint32 we take 4 bytes to avoid 1st value to be 0