diff --git a/src/LibTeleinfo.cpp b/src/LibTeleinfo.cpp
index 0ec99fa..5d636a7 100644
--- a/src/LibTeleinfo.cpp
+++ b/src/LibTeleinfo.cpp
@@ -190,7 +190,7 @@ ValueList * TInfo::valueAdd(char * name, char * value, uint8_t checksum, uint8_t
     TI_Debug('=');
     TI_Debug(value);
     TI_Debug(F(" '"));
-    TI_Debug((char) cheksum);
+    TI_Debug((char) checksum);
     TI_Debug(F("' Not added bad checksum calculated '"));
     TI_Debug((char) thischeck);
     TI_Debugln(F("'"));
@@ -290,7 +290,7 @@ ValueList * TInfo::valueAdd(char * name, char * value, uint8_t checksum, uint8_t
       TI_Debug('=');
       TI_Debug(value);
       TI_Debug(F("' '"));
-      TI_Debug((char) cheksum);
+      TI_Debug((char) checksum);
       TI_Debugln(F("'"));
 
       // return pointer on the new node