diff --git a/liblangutil/EVMVersion.cpp b/liblangutil/EVMVersion.cpp
index 6f7ac91397d9..ac087b8fcc47 100644
--- a/liblangutil/EVMVersion.cpp
+++ b/liblangutil/EVMVersion.cpp
@@ -29,7 +29,7 @@ using namespace solidity::langutil;
 bool EVMVersion::hasOpcode(Instruction _opcode, std::optional<uint8_t> _eofVersion) const
 {
 	// EOF version can be only defined since prague
-	assert(!_eofVersion.has_value() || this->m_version >= prague());
+	assert(!_eofVersion.has_value() || *this >= prague());
 
 	switch (_opcode)
 	{