diff --git a/util/sis/flash_on.c b/util/sis/flash_on.c
index 8432715bab..c8952e2085 100644
--- a/util/sis/flash_on.c
+++ b/util/sis/flash_on.c
@@ -50,7 +50,7 @@ main()
 	outb(b, 0xcfc);
 	/* Flash write enable on SiS 540/630 */
 	outl(0x80000845, 0x0cf8);
-	b = inb(0x0cfd) & 0x40;
+	b = inb(0x0cfd) | 0x40;
 	outb(b, 0xcfd);
 
 	/* The same thing on SiS 950 SuperIO side */
diff --git a/util/sis/flash_rom.c b/util/sis/flash_rom.c
index 8293c6ec45..12aa2733b7 100644
--- a/util/sis/flash_rom.c
+++ b/util/sis/flash_rom.c
@@ -68,7 +68,7 @@ int enable_flash_sis630 (void)
     outb(b, 0xcfc);
     /* Flash write enable on SiS 540/630 */
     outl(0x80000845, 0x0cf8);
-    b = inb(0x0cfd) & 0x40;
+    b = inb(0x0cfd) | 0x40;
     outb(b, 0xcfd);
 
     /* The same thing on SiS 950 SuperIO side */
@@ -95,6 +95,7 @@ int enable_flash_sis630 (void)
     }
 
     outb(0x24, 0x2e);
+    printf("2f is %#x\n", inb(0x2f));
     b = inb(0x2f) | 0xfc;
     outb(0x24, 0x2e);
     outb(b, 0x2f);
@@ -171,14 +172,15 @@ main (int argc, char * argv[])
 
     enable_flash_sis630 ();
 
-    if (argc < 2){
-	printf("OK, only ENABLING flash write, but NOT FLASHING\n");
-        exit(0);
-    }
     if ((flash = probe_flash (flashchips)) == NULL) {
 	printf("EEPROM not found\n");
 	exit(1);
     }
+
+    if (argc < 2){
+	printf("OK, only ENABLING flash write, but NOT FLASHING\n");
+        exit(0);
+    }
     size = flash->total_size * 1024;
 
     if ((image = fopen (argv[1], "r")) == NULL) {