2 files changed, 2 insertions, 2 deletions
diff --git a/src/test/serialize_tests.cpp b/src/test/serialize_tests.cpp
index e754996d2f..002f61f6a2 100644
--- a/src/test/serialize_tests.cpp
+++ b/src/test/serialize_tests.cpp
@@ -200,7 +200,7 @@ BOOST_AUTO_TEST_CASE(varints)
     }
 
     for (uint64_t i = 0;  i < 100000000000ULL; i += 999999937) {
-        uint64_t j = -1;
+        uint64_t j = std::numeric_limits<uint64_t>::max();
         ss >> VARINT(j);
         BOOST_CHECK_MESSAGE(i == j, "decoded:" << j << " expected:" << i);
     }
diff --git a/src/test/sighash_tests.cpp b/src/test/sighash_tests.cpp
index c329844341..773204a00c 100644
--- a/src/test/sighash_tests.cpp
+++ b/src/test/sighash_tests.cpp
@@ -105,7 +105,7 @@ void static RandomTransaction(CMutableTransaction &tx, bool fSingle) {
         txin.prevout.hash = InsecureRand256();
         txin.prevout.n = InsecureRandBits(2);
         RandomScript(txin.scriptSig);
-        txin.nSequence = (InsecureRandBool()) ? InsecureRand32() : (unsigned int)-1;
+        txin.nSequence = (InsecureRandBool()) ? InsecureRand32() : std::numeric_limits<uint32_t>::max();
     }
     for (int out = 0; out < outs; out++) {
         tx.vout.push_back(CTxOut());