2 files changed, 3 insertions, 3 deletions
diff --git a/src/test/base58_tests.cpp b/src/test/base58_tests.cpp
index d52ac7498..de4096cd3 100644
--- a/src/test/base58_tests.cpp
+++ b/src/test/base58_tests.cpp
@@ -67,7 +67,7 @@ const char *vstrOut[] = {
 
 BOOST_AUTO_TEST_CASE(base58_EncodeBase58)
 {
-    for (int i=0; i<sizeof(vstrIn)/sizeof(vstrIn[0]); i++)
+    for (unsigned int i=0; i<sizeof(vstrIn)/sizeof(vstrIn[0]); i++)
     {
         BOOST_CHECK_EQUAL(EncodeBase58(vstrIn[i].data, vstrIn[i].data + vstrIn[i].size), vstrOut[i]);
     }
@@ -76,7 +76,7 @@ BOOST_AUTO_TEST_CASE(base58_EncodeBase58)
 BOOST_AUTO_TEST_CASE(base58_DecodeBase58)
 {
     std::vector<unsigned char> result;
-    for (int i=0; i<sizeof(vstrIn)/sizeof(vstrIn[0]); i++)
+    for (unsigned int i=0; i<sizeof(vstrIn)/sizeof(vstrIn[0]); i++)
     {
         std::vector<unsigned char> expected(vstrIn[i].data, vstrIn[i].data + vstrIn[i].size);
         BOOST_CHECK(DecodeBase58(vstrOut[i], result));
diff --git a/src/test/base64_tests.cpp b/src/test/base64_tests.cpp
index fff30ef5e..c5a053e2e 100644
--- a/src/test/base64_tests.cpp
+++ b/src/test/base64_tests.cpp
@@ -10,7 +10,7 @@ BOOST_AUTO_TEST_CASE(base64_testvectors)
 {
     static const std::string vstrIn[]  = {"","f","fo","foo","foob","fooba","foobar"};
     static const std::string vstrOut[] = {"","Zg==","Zm8=","Zm9v","Zm9vYg==","Zm9vYmE=","Zm9vYmFy"};
-    for (int i=0; i<sizeof(vstrIn)/sizeof(vstrIn[0]); i++)
+    for (unsigned int i=0; i<sizeof(vstrIn)/sizeof(vstrIn[0]); i++)
     {
         std::string strEnc = EncodeBase64(vstrIn[i]);
         BOOST_CHECK(strEnc == vstrOut[i]);