diff --git a/plat/rockchip/common/pmusram/cpus_on_fixed_addr.h b/plat/rockchip/common/pmusram/cpus_on_fixed_addr.h
index 34af29a..bcd2a7c 100644
--- a/plat/rockchip/common/pmusram/cpus_on_fixed_addr.h
+++ b/plat/rockchip/common/pmusram/cpus_on_fixed_addr.h
@@ -48,7 +48,7 @@
 CASSERT(__builtin_offsetof(struct psram_data_t, boot_mpidr) == PSRAM_DT_MPIDR,
 	assert_psram_dt_mpidr_offset_mistmatch);
 
-extern void *sys_sleep_flag_sram;
+extern struct psram_data_t sys_sleep_flag_sram;
 
 #endif  /* __ASSEMBLER__ */