diff --git a/lib/checkinternal.cpp b/lib/checkinternal.cpp
index 587591104..5945f86f0 100644
--- a/lib/checkinternal.cpp
+++ b/lib/checkinternal.cpp
@@ -105,7 +105,7 @@ void CheckInternal::checkRedundantTokCheck()
 void CheckInternal::checkRedundantTokCheckError(const Token* tok)
 {
     reportError(tok, Severity::style, "redundantTokCheck",
-                "Unneccessary check of \"" + (tok? tok->expressionString(): emptyString) + "\", match-function already checks if it is null.");
+                "Unnecessary check of \"" + (tok? tok->expressionString(): emptyString) + "\", match-function already checks if it is null.");
 }
 
 void CheckInternal::checkTokenSimpleMatchPatterns()
diff --git a/test/testinternal.cpp b/test/testinternal.cpp
index 2d7b52638..3f8e4fd93 100644
--- a/test/testinternal.cpp
+++ b/test/testinternal.cpp
@@ -416,35 +416,35 @@ private:
               "    const Token *tok;\n"
               "    if(tok && Token::findsimplematch(tok, \"foobar\")) {};\n"
               "}");
-        ASSERT_EQUALS("[test.cpp:3]: (style) Unneccessary check of \"tok\", match-function already checks if it is null.\n", errout.str());
+        ASSERT_EQUALS("[test.cpp:3]: (style) Unnecessary check of \"tok\", match-function already checks if it is null.\n", errout.str());
 
         // findmatch
         check("void f() {\n"
               "    const Token *tok;\n"
               "    if(tok && Token::findmatch(tok, \"%str% foobar\")) {};\n"
               "}");
-        ASSERT_EQUALS("[test.cpp:3]: (style) Unneccessary check of \"tok\", match-function already checks if it is null.\n", errout.str());
+        ASSERT_EQUALS("[test.cpp:3]: (style) Unnecessary check of \"tok\", match-function already checks if it is null.\n", errout.str());
 
         // Match
         check("void f() {\n"
               "    const Token *tok;\n"
               "    if(tok && Token::Match(tok, \"5str% foobar\")) {};\n"
               "}");
-        ASSERT_EQUALS("[test.cpp:3]: (style) Unneccessary check of \"tok\", match-function already checks if it is null.\n", errout.str());
+        ASSERT_EQUALS("[test.cpp:3]: (style) Unnecessary check of \"tok\", match-function already checks if it is null.\n", errout.str());
 
         // simpleMatch
         check("void f() {\n"
               "    const Token *tok;\n"
               "    if(tok && Token::simpleMatch(tok, \"foobar\")) {};\n"
               "}");
-        ASSERT_EQUALS("[test.cpp:3]: (style) Unneccessary check of \"tok\", match-function already checks if it is null.\n", errout.str());
+        ASSERT_EQUALS("[test.cpp:3]: (style) Unnecessary check of \"tok\", match-function already checks if it is null.\n", errout.str());
 
         // Match
         check("void f() {\n"
               "    const Token *tok;\n"
               "    if(tok->previous() && Token::Match(tok->previous(), \"5str% foobar\")) {};\n"
               "}");
-        ASSERT_EQUALS("[test.cpp:3]: (style) Unneccessary check of \"tok->previous()\", match-function already checks if it is null.\n", errout.str());
+        ASSERT_EQUALS("[test.cpp:3]: (style) Unnecessary check of \"tok->previous()\", match-function already checks if it is null.\n", errout.str());
 
         // don't report:
         // tok->previous() vs tok