diff --git a/samples/nanokernel/apps/pwm_dw/src/main.c b/samples/nanokernel/apps/pwm_dw/src/main.c
index 2a1ab6af72f..e45eee0b587 100644
--- a/samples/nanokernel/apps/pwm_dw/src/main.c
+++ b/samples/nanokernel/apps/pwm_dw/src/main.c
@@ -51,7 +51,7 @@
 #include <sys_clock.h>
 
 /* about 1 ms */
-#define MIN_PERIOD	320000
+#define MIN_PERIOD	32000
 
 /* about 1 second */
 #define MAX_PERIOD	32000000