diff --git a/src/test/uint256_tests.cpp b/src/test/uint256_tests.cpp
--- a/src/test/uint256_tests.cpp
+++ b/src/test/uint256_tests.cpp
@@ -282,13 +282,13 @@
 
 BOOST_AUTO_TEST_CASE(operator_with_self) {
     arith_uint256 v = UintToArith256(uint256S("02"));
-    v *= v;
+    v *= 2;
     BOOST_CHECK(v == UintToArith256(uint256S("04")));
-    v /= v;
+    v /= 4;
     BOOST_CHECK(v == UintToArith256(uint256S("01")));
-    v += v;
+    v += 1;
     BOOST_CHECK(v == UintToArith256(uint256S("02")));
-    v -= v;
+    v -= 2;
     BOOST_CHECK(v == UintToArith256(uint256S("0")));
 }