diff --git a/test/tools/IsolTestOptions.cpp b/test/tools/IsolTestOptions.cpp
index 7f00e88f6..d2323ec16 100644
--- a/test/tools/IsolTestOptions.cpp
+++ b/test/tools/IsolTestOptions.cpp
@@ -60,7 +60,6 @@ IsolTestOptions::IsolTestOptions():
 	CommonOptions(description)
 {
 	enforceViaYul = true;
-	enforceGasTest = (evmVersion() == langutil::EVMVersion{});
 }
 
 void IsolTestOptions::addOptions()
@@ -84,6 +83,8 @@ bool IsolTestOptions::parse(int _argc, char const* const* _argv)
 		return false;
 	}
 
+	enforceGasTest = enforceGasTest || (evmVersion() == langutil::EVMVersion{});
+
 	return res;
 }