diff --git a/sys/amd64/amd64/initcpu.c b/sys/amd64/amd64/initcpu.c
index 588b6d48379..4339c621cb9 100644
--- a/sys/amd64/amd64/initcpu.c
+++ b/sys/amd64/amd64/initcpu.c
@@ -571,7 +571,9 @@ initializecpu(void)
 	default:
 		break;
 	}
+#ifdef I686_CPU
 	enable_sse();
+#endif
 
 #if defined(PC98) && !defined(CPU_UPGRADE_HW_CACHE)
 	/*
diff --git a/sys/i386/i386/initcpu.c b/sys/i386/i386/initcpu.c
index 588b6d48379..4339c621cb9 100644
--- a/sys/i386/i386/initcpu.c
+++ b/sys/i386/i386/initcpu.c
@@ -571,7 +571,9 @@ initializecpu(void)
 	default:
 		break;
 	}
+#ifdef I686_CPU
 	enable_sse();
+#endif
 
 #if defined(PC98) && !defined(CPU_UPGRADE_HW_CACHE)
 	/*