diff --git a/vtkm/internal/brigand.hpp b/vtkm/internal/brigand.hpp
index c44aeffc1..23c8ff77a 100644
--- a/vtkm/internal/brigand.hpp
+++ b/vtkm/internal/brigand.hpp
@@ -15,7 +15,7 @@
 #if _MSC_VER == 1900
 #define BRIGAND_COMP_MSVC_2015
 #endif
-#elif __INTEL_COMPILER
+#elif defined(__INTEL_COMPILER) || defined(__ICC)
 #define BRIGAND_COMP_INTEL
 #elif __GNUC__
 #ifndef __clang__
diff --git a/vtkm/thirdparty/taotuple/vtkmtaotuple/include/Tuple.h b/vtkm/thirdparty/taotuple/vtkmtaotuple/include/Tuple.h
index 6c422491f..34df430f3 100644
--- a/vtkm/thirdparty/taotuple/vtkmtaotuple/include/Tuple.h
+++ b/vtkm/thirdparty/taotuple/vtkmtaotuple/include/Tuple.h
@@ -22,7 +22,7 @@
 
 // tao::tuple is a much more efficient tuple implementation, but it doesn't
 // work on MSVC2015. For this compiler, fallback to a simpler implementation.
-#if _MSC_VER == 1900
+#if defined(_MSC_VER) && _MSC_VER == 1900
 #define TAOCPP_USE_SIMPLE_TUPLE
 // There is a bug in apple clang 9.0 that prevents tao-tuple from compiling:
 #elif defined(__apple_build_version__) && defined(__clang__) && __clang_major__ == 9 &&            \