diff --git a/include/Random123/features/compilerfeatures.h b/include/Random123/features/compilerfeatures.h
index 2341a7a..0606dee 100644
--- a/include/Random123/features/compilerfeatures.h
+++ b/include/Random123/features/compilerfeatures.h
@@ -206,7 +206,7 @@ added to each of the *features.h files, AND to examples/ut_features.cpp.
 #include "nvccfeatures.h"
 #elif defined(__ICC)
 #include "iccfeatures.h"
-#elif defined(__xlC__)
+#elif defined(__xlC__) || defined(__ibmxl__)
 #include "xlcfeatures.h"
 #elif defined(__SUNPRO_C) || defined(__SUNPRO_CC)
 #include "sunprofeatures.h"
diff --git a/include/Random123/features/nvccfeatures.h b/include/Random123/features/nvccfeatures.h
index d1ff8bf..179298c 100644
--- a/include/Random123/features/nvccfeatures.h
+++ b/include/Random123/features/nvccfeatures.h
@@ -116,7 +116,9 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #define R123_ULONG_LONG unsigned long long
 #endif
 
-#if defined(__GNUC__)
+#if defined(__xlC__) || defined(__ibmxl__)
+#include "xlcfeatures.h"
+#elif defined(__GNUC__)
 #include "gccfeatures.h"
 #elif defined(_MSC_FULL_VER)
 #include "msvcfeatures.h"