diff --git a/bthome_phy6222/SDK/lib/rf/patch.c b/bthome_phy6222/SDK/lib/rf/patch.c
index cb37d7b..6adb0bb 100644
--- a/bthome_phy6222/SDK/lib/rf/patch.c
+++ b/bthome_phy6222/SDK/lib/rf/patch.c
@@ -5664,6 +5664,11 @@ void config_RTC1(uint32 time)
     @return      None.
 */
 uint32 sleep_total;
+#ifdef __GNUC__
+// Indicate that the specified function does not need prologue/epilogue sequences
+// generated by the compiler. And function doesn't return. 
+void wakeupProcess1(void) __attribute__ ((naked));
+#endif
 void wakeupProcess1(void)
 {
     uint32 current_RTC_tick;