diff --git a/hw/xfree86/os-support/linux/lnx_video.c b/hw/xfree86/os-support/linux/lnx_video.c
index bdd2639ba..b97757c9b 100644
--- a/hw/xfree86/os-support/linux/lnx_video.c
+++ b/hw/xfree86/os-support/linux/lnx_video.c
@@ -61,6 +61,7 @@ static Bool ExtendedEnabled = FALSE;
       !defined(__mc68000__) && \
       !defined(__sparc__) && \
       !defined(__mips__) && \
+      !defined(__nds32__) && \
       !defined(__arm__)
 
 /*
@@ -519,7 +520,7 @@ xf86EnableIO(void)
 #endif
 	}
 	close(fd);
-#elif !defined(__mc68000__) && !defined(__sparc__) && !defined(__mips__) && !defined(__sh__) && !defined(__hppa__) && !defined(__s390__) && !defined(__arm__) && !defined(__m32r__)
+#elif !defined(__mc68000__) && !defined(__sparc__) && !defined(__mips__) && !defined(__sh__) && !defined(__hppa__) && !defined(__s390__) && !defined(__arm__) && !defined(__m32r__) && !defined(__nds32__)
         if (ioperm(0, 1024, 1) || iopl(3)) {
                 if (errno == ENODEV)
                         ErrorF("xf86EnableIOPorts: no I/O ports found\n");
@@ -546,7 +547,7 @@ xf86DisableIO(void)
 #if defined(__powerpc__)
 	munmap(ioBase, 0x20000);
 	ioBase = NULL;
-#elif !defined(__mc68000__) && !defined(__sparc__) && !defined(__mips__) && !defined(__sh__) && !defined(__hppa__) && !defined(__arm__) && !defined(__s390__) && !defined(__m32r__)
+#elif !defined(__mc68000__) && !defined(__sparc__) && !defined(__mips__) && !defined(__sh__) && !defined(__hppa__) && !defined(__arm__) && !defined(__s390__) && !defined(__m32r__) && !defined(__nds32__)
 	iopl(0);
 	ioperm(0, 1024, 0);
 #endif