diff --git a/lib/tokenize.cpp b/lib/tokenize.cpp
index 8ba563677..fb75b1eb4 100644
--- a/lib/tokenize.cpp
+++ b/lib/tokenize.cpp
@@ -5602,6 +5602,10 @@ Token * Tokenizer::initVar(Token * tok)
     if (tok->str() == "*")
         tok = tok->next();
 
+    // sizeof is not a variable name..
+    if (tok->str() == "sizeof")
+        return tok;
+
     // check initializer..
     if (tok->tokAt(2)->isStandardType() || tok->tokAt(2)->str() == "void")
         return tok;
diff --git a/test/testtokenize.cpp b/test/testtokenize.cpp
index 3980d2c9a..7437fa7c7 100644
--- a/test/testtokenize.cpp
+++ b/test/testtokenize.cpp
@@ -49,6 +49,7 @@ private:
         TEST_CASE(tokenize8);
         TEST_CASE(tokenize9);
         TEST_CASE(tokenize10);
+        TEST_CASE(tokenize11);
 
         // array access. replace "*(p+1)" => "p[1]"
         TEST_CASE(tokenize6);
@@ -423,6 +424,11 @@ private:
         ASSERT_EQUALS("__published:", tokenizeAndStringify("__published:", false));
     }
 
+    void tokenize11()
+    {
+        ASSERT_EQUALS("X * sizeof ( Y ( ) ) ;", tokenizeAndStringify("X * sizeof(Y());", false));
+    }
+
     void wrong_syntax()
     {
         {