diff --git a/tasmota/support.ino b/tasmota/support.ino
index ae42f3840..2e36793b0 100644
--- a/tasmota/support.ino
+++ b/tasmota/support.ino
@@ -909,9 +909,9 @@ void SerialSendRaw(char *codes)
 // values is a comma-delimited string: e.g. "72,101,108,108,111,32,87,111,114,108,100,33,10"
 void SerialSendDecimal(char *values)
 {
-  char* &p;
+  char *p;
   uint8_t code;
-  for (str = strtok_r(values, ",", &p); str; str = strtok_r(nullptr, ",", &p)) {
+  for (char* str = strtok_r(values, ",", &p); str; str = strtok_r(nullptr, ",", &p)) {
     code = (uint8_t)atoi(str);
     Serial.write(code);
   }