diff --git a/arch/arm64/include/asm/futex.h b/arch/arm64/include/asm/futex.h
index 0377c1756945..34d4d2e2f561 100644
--- a/arch/arm64/include/asm/futex.h
+++ b/arch/arm64/include/asm/futex.h
@@ -55,7 +55,7 @@
 static inline int
 arch_futex_atomic_op_inuser(int op, int oparg, int *oval, u32 __user *uaddr)
 {
-	int oldval, ret, tmp;
+	int oldval = 0, ret, tmp;
 
 	pagefault_disable();