diff --git a/test/unit_test/runtime/fmt_units_test.cpp b/test/unit_test/runtime/fmt_units_test.cpp
index 886670cf..9ea97968 100644
--- a/test/unit_test/runtime/fmt_units_test.cpp
+++ b/test/unit_test/runtime/fmt_units_test.cpp
@@ -20,6 +20,12 @@
 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 // SOFTWARE.
 
+#include "units/bits/external/hacks.h"
+
+#if defined(UNITS_COMP_MSVC)
+#pragma warning( disable : 4459 ) // Disable shadowing warning.
+#endif
+
 #include "units/format.h"
 #include "units/isq/iec80000/iec80000.h"
 #include "units/isq/si/si.h"