diff --git a/src/test/sigencoding_tests.cpp b/src/test/sigencoding_tests.cpp
--- a/src/test/sigencoding_tests.cpp
+++ b/src/test/sigencoding_tests.cpp
@@ -42,9 +42,8 @@
 
         // If we have strict encoding, we prevent the use of undefined flags.
         std::array<SigHashType, 2> undefSigHashes{
-            SigHashType(sigHash.getRawSigHashType() | 0x20),
-            sigHash.withBaseType(BaseSigHashType::UNSUPPORTED),
-        };
+            {SigHashType(sigHash.getRawSigHashType() | 0x20),
+             sigHash.withBaseType(BaseSigHashType::UNSUPPORTED)}};
 
         for (SigHashType undefSigHash : undefSigHashes) {
             valtype undefSighash = SignatureWithHashType(vchSig, undefSigHash);