diff --git a/test/intrinsic_test.cpp b/test/intrinsic_test.cpp
index d3a3128..17f04c4 100644
--- a/test/intrinsic_test.cpp
+++ b/test/intrinsic_test.cpp
@@ -18,13 +18,16 @@ int main()
 #ifndef BOOST_ENDIAN_NO_INTRINSICS
 
     uint16 x2 = 0x1122U;
-    BOOST_TEST_EQ( BOOST_ENDIAN_INTRINSIC_BYTE_SWAP_2(x2), 0x2211U );
+    uint16 y2 = BOOST_ENDIAN_INTRINSIC_BYTE_SWAP_2(x2);
+    BOOST_TEST_EQ( y2, 0x2211U );
 
     uint32 x4 = 0x11223344UL;
-    BOOST_TEST_EQ( BOOST_ENDIAN_INTRINSIC_BYTE_SWAP_4(x4), 0x44332211UL );
+    uint32 y4 = BOOST_ENDIAN_INTRINSIC_BYTE_SWAP_4(x4);
+    BOOST_TEST_EQ( y4, 0x44332211UL );
 
     uint64 x8 = 0x1122334455667788U;
-    BOOST_TEST_EQ( BOOST_ENDIAN_INTRINSIC_BYTE_SWAP_8(x8), 0x8877665544332211ULL );
+    uint64 y8 = BOOST_ENDIAN_INTRINSIC_BYTE_SWAP_8(x8);
+    BOOST_TEST_EQ( y8, 0x8877665544332211ULL );
 
 #endif