diff --git a/test/intrinsic_test.cpp b/test/intrinsic_test.cpp
index bef06b0..d3a3128 100644
--- a/test/intrinsic_test.cpp
+++ b/test/intrinsic_test.cpp
@@ -7,9 +7,9 @@
 #include <boost/endian/detail/intrinsic.hpp>
 #include <boost/core/lightweight_test.hpp>
 
-typedef unsigned short uint16_t;
-typedef unsigned int uint32_t;
-typedef unsigned long long uint64_t;
+typedef unsigned short uint16;
+typedef unsigned int uint32;
+typedef unsigned long long uint64;
 
 int main()
 {
@@ -17,13 +17,13 @@ int main()
 
 #ifndef BOOST_ENDIAN_NO_INTRINSICS
 
-    uint16_t x2 = 0x1122U;
+    uint16 x2 = 0x1122U;
     BOOST_TEST_EQ( BOOST_ENDIAN_INTRINSIC_BYTE_SWAP_2(x2), 0x2211U );
 
-    uint32_t x4 = 0x11223344UL;
+    uint32 x4 = 0x11223344UL;
     BOOST_TEST_EQ( BOOST_ENDIAN_INTRINSIC_BYTE_SWAP_4(x4), 0x44332211UL );
 
-    uint64_t x8 = 0x1122334455667788U;
+    uint64 x8 = 0x1122334455667788U;
     BOOST_TEST_EQ( BOOST_ENDIAN_INTRINSIC_BYTE_SWAP_8(x8), 0x8877665544332211ULL );
 
 #endif