diff --git a/engines/io_uring.c b/engines/io_uring.c
index 3a03ae3524..05ce27ebcf 100644
--- a/engines/io_uring.c
+++ b/engines/io_uring.c
@@ -499,7 +499,7 @@ static struct io_u *fio_ioring_cmd_event(struct thread_data *td, int event)
 	io_u = (struct io_u *) (uintptr_t) cqe->user_data;
 
 	if (cqe->res != 0) {
-		io_u->error = -cqe->res;
+		io_u->error = abs(cqe->res);
 		return io_u;
 	} else {
 		io_u->error = 0;
diff --git a/options.c b/options.c
index f5d221c776..1dd60e8bb1 100644
--- a/options.c
+++ b/options.c
@@ -532,7 +532,11 @@ static int ignore_error_type(struct thread_data *td, enum error_type_bit etype,
 		if (fname[0] == 'E') {
 			error[i] = str2error(fname);
 		} else {
-			error[i] = atoi(fname);
+			int base = 10;
+			if (!strncmp(fname, "0x", 2) ||
+					!strncmp(fname, "0X", 2))
+				base = 16;
+			error[i] = strtol(fname, NULL, base);
 			if (error[i] < 0)
 				error[i] = -error[i];
 		}