diff --git a/sbin/nvmecontrol/nvmecontrol.h b/sbin/nvmecontrol/nvmecontrol.h
--- a/sbin/nvmecontrol/nvmecontrol.h
+++ b/sbin/nvmecontrol/nvmecontrol.h
@@ -92,12 +92,12 @@
 /* Utility Routines */
 /*
  * 128-bit integer augments to standard values. On i386 this
- * doesn't exist, so we use 64-bit values. So, on 32-bit i386,
+ * doesn't exist, so we use 64-bit values. So, on 32-bit systems,
  * you'll get truncated values until someone implement 128bit
  * ints in software.
  */
 #define UINT128_DIG	39
-#ifdef __i386__
+#ifdef __ILP32__
 typedef uint64_t uint128_t;
 #else
 typedef __uint128_t uint128_t;