diff --git a/arch/riscv/include/asm/timex.h b/arch/riscv/include/asm/timex.h
index 507cae273bc62cec5ff052cc78a7b67e4854aa87..d6a7428f6248d4251f6ec9121cc373d101e994a5 100644
--- a/arch/riscv/include/asm/timex.h
+++ b/arch/riscv/include/asm/timex.h
@@ -41,7 +41,7 @@ static inline u32 get_cycles_hi(void)
 static inline unsigned long random_get_entropy(void)
 {
 	if (unlikely(clint_time_val == NULL))
-		return 0;
+		return random_get_entropy_fallback();
 	return get_cycles();
 }
 #define random_get_entropy()	random_get_entropy()