diff --git a/libr/anal/p/anal_ws.c b/libr/anal/p/anal_ws.c
index 52fcbc321e..93375e4836 100644
--- a/libr/anal/p/anal_ws.c
+++ b/libr/anal/p/anal_ws.c
@@ -9,19 +9,19 @@
 #define WS_API static
 #include "../../asm/arch/whitespace/wsdis.c"
 
-static ut64 ws_find_label(int l, RIOBind iob) {
-	RIO *io = iob.io;
-	ut64 cur = 0, size = iob.desc_size (io->desc);
+static ut64 ws_find_label(int l, const RIOBind *iob) {
+	RIO *io = iob->io;
+	ut64 cur = 0, size = iob->desc_size (io->desc);
 	ut8 buf[128];
 	RAsmOp aop;
-	iob.read_at (iob.io, cur, buf, 128);
+	iob->read_at (iob->io, cur, buf, 128);
 	while (cur <= size && wsdis (&aop, buf, 128)) {
 		const char *buf_asm = r_strbuf_get (&aop.buf_asm); // r_asm_op_get_asm (&aop);
 		if (buf_asm && (strlen (buf_asm) > 4) && buf_asm[0] == 'm' && buf_asm[1] == 'a' && l == atoi (buf_asm + 5)) {
 			return cur;
 		}
 		cur = cur + aop.size;
-		iob.read_at (iob.io, cur, buf, 128);
+		iob->read_at (iob->io, cur, buf, 128);
 	}
 	return 0;
 }
@@ -63,7 +63,7 @@ static int ws_anal(RAnal *anal, RAnalOp *op, ut64 addr, const ut8 *data, int len
 			if (buf_asm[1] == 'a') {
 				op->type = R_ANAL_OP_TYPE_CALL;
 				op->fail = addr + aop->size;
-				op->jump = ws_find_label (atoi (buf_asm + 5), anal->iob);
+				op->jump = ws_find_label (atoi (buf_asm + 5), &anal->iob);
 			} else {
 				op->type = R_ANAL_OP_TYPE_UPUSH;
 			}
@@ -71,10 +71,10 @@ static int ws_anal(RAnal *anal, RAnalOp *op, ut64 addr, const ut8 *data, int len
 		case 'j':
 			if (buf_asm[1] == 'm') {
 				op->type = R_ANAL_OP_TYPE_JMP;
-				op->jump = ws_find_label(atoi (buf_asm + 4), anal->iob);
+				op->jump = ws_find_label(atoi (buf_asm + 4), &anal->iob);
 			} else {
 				op->type = R_ANAL_OP_TYPE_CJMP;
-				op->jump = ws_find_label(atoi(buf_asm + 3), anal->iob);
+				op->jump = ws_find_label(atoi(buf_asm + 3), &anal->iob);
 			}
 			op->fail = addr + aop->size;
 			break;