diff --git a/lib/checkbufferoverrun.h b/lib/checkbufferoverrun.h
index 7052fa01a..386aad59e 100644
--- a/lib/checkbufferoverrun.h
+++ b/lib/checkbufferoverrun.h
@@ -126,9 +126,9 @@ private:
         std::string toString() const OVERRIDE;
     };
 
-    static bool isCtuUnsafeBufferUsage(const Check *check, const Token *argtok, MathLib::bigint *value, int type);
-    static bool isCtuUnsafeArrayIndex(const Check *check, const Token *argtok, MathLib::bigint *value);
-    static bool isCtuUnsafePointerArith(const Check *check, const Token *argtok, MathLib::bigint *value);
+    static bool isCtuUnsafeBufferUsage(const Check *check, const Token *argtok, MathLib::bigint *offset, int type);
+    static bool isCtuUnsafeArrayIndex(const Check *check, const Token *argtok, MathLib::bigint *offset);
+    static bool isCtuUnsafePointerArith(const Check *check, const Token *argtok, MathLib::bigint *offset);
 
     Check::FileInfo * loadFileInfoFromXml(const tinyxml2::XMLElement *xmlElement) const OVERRIDE;
     bool analyseWholeProgram1(const CTU::FileInfo *ctu, const std::map<std::string, std::list<const CTU::FileInfo::CallBase *>> &callsMap, const CTU::FileInfo::UnsafeUsage &unsafeUsage, int type, ErrorLogger &errorLogger);