diff --git a/tools/intel_iosf_sb_read.c b/tools/intel_iosf_sb_read.c
index 8f35e505..03bf0076 100644
--- a/tools/intel_iosf_sb_read.c
+++ b/tools/intel_iosf_sb_read.c
@@ -55,7 +55,7 @@ int main(int argc, char *argv[])
 	else if (!strcasecmp(argv[1], "nc"))
 		port = 0x11;
 	else if (!strcasecmp(argv[1], "dpio"))
-		port = 0x13;
+		port = 0x12;
 	else if (!strcasecmp(argv[1], "gpio_nc"))
 		port = 0x13;
 	else if (!strcasecmp(argv[1], "cck"))
diff --git a/tools/intel_iosf_sb_write.c b/tools/intel_iosf_sb_write.c
index 8d06380f..13c738f1 100644
--- a/tools/intel_iosf_sb_write.c
+++ b/tools/intel_iosf_sb_write.c
@@ -54,7 +54,7 @@ int main(int argc, char** argv)
 	else if (!strcasecmp(argv[1], "nc"))
 		port = 0x11;
 	else if (!strcasecmp(argv[1], "dpio"))
-		port = 0x13;
+		port = 0x12;
 	else if (!strcasecmp(argv[1], "gpio_nc"))
 		port = 0x13;
 	else if (!strcasecmp(argv[1], "cck"))