diff --git a/meta-digi-dey/recipes-digi/dey-examples/dey-examples-rtc.bb b/meta-digi-dey/recipes-digi/dey-examples/dey-examples-rtc.bb
index 8c28aef22..b21144ca9 100644
--- a/meta-digi-dey/recipes-digi/dey-examples/dey-examples-rtc.bb
+++ b/meta-digi-dey/recipes-digi/dey-examples/dey-examples-rtc.bb
@@ -9,10 +9,12 @@ PR = "${DISTRO}.r0"
 
 SRC_URI = "file://rtc_test"
 
+UPPER_PLAT = "${@'${MACHINE}'.upper()}"
+
 S = "${WORKDIR}/rtc_test"
 
 do_compile() {
-	${CC} -O2 -Wall rtc_test.c -o rtc_test
+	${CC} -O2 -Wall -D${UPPER_PLAT} rtc_test.c -o rtc_test
 }
 
 do_install() {
diff --git a/meta-digi-dey/recipes-digi/dey-examples/files/rtc_test/rtc_test.c b/meta-digi-dey/recipes-digi/dey-examples/files/rtc_test/rtc_test.c
index 1c6fdb3a6..eaa2eaffe 100644
--- a/meta-digi-dey/recipes-digi/dey-examples/files/rtc_test/rtc_test.c
+++ b/meta-digi-dey/recipes-digi/dey-examples/files/rtc_test/rtc_test.c
@@ -37,7 +37,7 @@
 
 #define	RTC_DEFAULT_TEST_OPS	0	/* None, pass it through the command line */
 
-#if defined (DEL_CCWMX53JS) || defined (DEL_CCMX53JS)
+#if defined(CCIMX53JS)
 #define RTC_ALARM_SECS 60
 #define RTC_ALARM_SECS_STR "60"
 #else