diff --git a/cpp/QrCode.cpp b/cpp/QrCode.cpp
index b9de862..79890a5 100644
--- a/cpp/QrCode.cpp
+++ b/cpp/QrCode.cpp
@@ -279,7 +279,7 @@ QrCode QrCode::encodeSegments(const vector<QrSegment> &segs, Ecc ecl,
 		throw std::logic_error("Assertion error");
 	
 	// Increase the error correction level while the data still fits in the current version number
-	for (Ecc newEcl : vector<Ecc>{Ecc::MEDIUM, Ecc::QUARTILE, Ecc::HIGH}) {  // From low to high
+	for (Ecc newEcl : {Ecc::MEDIUM, Ecc::QUARTILE, Ecc::HIGH}) {  // From low to high
 		if (boostEcl && dataUsedBits <= getNumDataCodewords(version, newEcl) * 8)
 			ecl = newEcl;
 	}