diff --git a/lib/tokenize.cpp b/lib/tokenize.cpp
index f8541e888..e05e0838d 100644
--- a/lib/tokenize.cpp
+++ b/lib/tokenize.cpp
@@ -1970,7 +1970,7 @@ bool Tokenizer::tokenize(std::istream &code,
     // replace __LINE__ macro with line number
     simplifyLineMacro();
 
-    // replace 'NULL' and similiar '0'-defined macros with '0'
+    // replace 'NULL' and similar '0'-defined macros with '0'
     simplifyNull();
 
     // combine "- %num%"