diff --git a/src/encString.cpp b/src/encString.cpp
index 68020e9..2cf06d0 100644
--- a/src/encString.cpp
+++ b/src/encString.cpp
@@ -13,7 +13,7 @@ bool isBase64(const char *p)
         return false;
     do {
         c = *p;
-        if (isalnum(c))   // alphanumberics are OK
+        if (isalnum(c))   // alphanumerics are OK
             continue;
         if (c == '/' || c == '+' || c == '=')   // + or / or = is OK.
             continue;
@@ -31,7 +31,7 @@ void strEncode(String &str)
     char c;
     unsigned int i;
     uint32_t cid = ESP_getChipId();
-    uint32_t *pkey = (uint32_t *)&key[0];
+    uint32_t* pkey = (uint32_t *)&key[0];
     uint8_t data[str.length()];
 
     *pkey = cid;
@@ -54,11 +54,8 @@ void strDecode(String &str)
 
     const char *src = &str[0];
     uint8_t key[4];
-    unsigned int enciphidx = 0;
-    unsigned int i;
-    uint8_t b;
     uint32_t cid = ESP_getChipId();
-    uint32_t *pkey = (uint32_t *)&key[0];
+    uint32_t* pkey = (uint32_t *)&key[0];
     uint8_t data[str.length()];
     String result = F("");
 
@@ -66,6 +63,10 @@ void strDecode(String &str)
         unsigned int clen = base64_decode_chars(src, str.length(), (char *)data);
 
         if (0 != clen) {
+            unsigned int enciphidx = 0;
+            unsigned int i;
+            uint8_t b;
+
             *pkey = cid;
             for (i = 0; i < clen; i++) {
                 b = data[i];
diff --git a/src/encString.hpp b/src/encString.hpp
index f1835fa..7266906 100644
--- a/src/encString.hpp
+++ b/src/encString.hpp
@@ -1,5 +1,4 @@
-#ifndef _ENCSTRING_HPP_
-#define _ENCSTRING_HPP_
+#pragma once
 #include <Arduino.h>
 
 /**
@@ -24,5 +23,3 @@ void strDecode(String &str);
  * @return false Retezec neni kodovany pomoci Base64
  */
 bool isBase64(const char *p);
-
-#endif