diff --git a/src/Topup.js b/src/Topup.js
index d9728fae79719f0f57106c3840526027ee2990da..5581d83edb7ecf728718ea196b5bd9eb5d2e59df 100644
--- a/src/Topup.js
+++ b/src/Topup.js
@@ -29,7 +29,12 @@ function Topup() {
 
   return (
     <Sender url="/api/topup" body={body} onSuccess={setTransaction}>
-      <MemberPicker member={member} onChange={setMember} num={parseInt(num)} />
+      <MemberPicker
+        member={member}
+        onChange={setMember}
+        num={parseInt(num)}
+        allowDisabled
+      />
       <Form.Group as={Row}>
         <Form.Label as="legend" column sm={2}>
           Recarga
diff --git a/src/member/MemberPicker.js b/src/member/MemberPicker.js
index 5c261458fcf645253692ba5e93fb639535d39f0a..2222a0907aa4399c384ffcd0add8b963ad141b36 100644
--- a/src/member/MemberPicker.js
+++ b/src/member/MemberPicker.js
@@ -3,9 +3,9 @@ import { Form, Col, Row } from "react-bootstrap";
 import { Typeahead } from "react-bootstrap-typeahead";
 import Fetcher from "../Fetcher";
 
-function MemberPicker(props) {
+function MemberPicker({ member, num, text, onChange, allowDisabled }) {
   const [members, setStateMembers] = useState([]);
-  const selected = props.member ? [props.member] : [];
+  const selected = member ? [member] : [];
 
   const setMembers = (members) => {
     const newMembers = members.map((m) => {
@@ -13,24 +13,27 @@ function MemberPicker(props) {
       if (!m.login) {
         m.login = "";
       }
+      if (allowDisabled) {
+        m.disabled = false;
+      }
       return m;
     });
     setStateMembers(newMembers);
 
-    if (!props.member && props.num) {
-      const member = newMembers.find((m) => m.num === props.num);
-      props.onChange(member);
+    if (!member && num) {
+      const m = newMembers.find((m) => m.num === num);
+      onChange(m);
     }
   };
 
-  const text = props.text ? props.text : "Socia";
+  const pickerText = text ? text : "Socia";
 
   return (
     <Fetcher url="/api/member" onFetch={setMembers}>
       <Row>
         <Col sm={4}>
           <br />
-          <h4 className="text-right">{text}:</h4>
+          <h4 className="text-right">{pickerText}:</h4>
         </Col>
         <Form.Group as={Col} sm={2}>
           <Form.Label>Num</Form.Label>
@@ -38,7 +41,7 @@ function MemberPicker(props) {
             id="member-num"
             labelKey="numStr"
             options={members}
-            onChange={(m) => props.onChange(m[0])}
+            onChange={(m) => onChange(m[0])}
             selected={selected}
           />
         </Form.Group>
@@ -48,7 +51,7 @@ function MemberPicker(props) {
             id="member-login"
             labelKey="login"
             options={members}
-            onChange={(m) => props.onChange(m[0])}
+            onChange={(m) => onChange(m[0])}
             selected={selected}
           />
         </Form.Group>
@@ -58,7 +61,7 @@ function MemberPicker(props) {
             id="member-name"
             labelKey="name"
             options={members}
-            onChange={(m) => props.onChange(m[0])}
+            onChange={(m) => onChange(m[0])}
             selected={selected}
           />
         </Form.Group>
diff --git a/src/purchase/PurchaseList.js b/src/purchase/PurchaseList.js
index 259f8d33d4bfc67b12f1a10a021dad98bac6eed3..8b7cec4ffd9324d2d5854aeaf9927f5961d6ccdf 100644
--- a/src/purchase/PurchaseList.js
+++ b/src/purchase/PurchaseList.js
@@ -87,7 +87,7 @@ function PurchaseList() {
     memberPicker = (
       <Col xs={12} sm={6}>
         {rows}
-        <MemberPicker onChange={setMember} />
+        <MemberPicker onChange={setMember} allowDisabled />
       </Col>
     );
   }
diff --git a/src/transaction/TransactionList.js b/src/transaction/TransactionList.js
index 0c138cddd44245e4e44bc3ddfb99f8fffc093ba7..8eea6b9a7b985108c9a8bcfd4bc13edc5c333b54 100644
--- a/src/transaction/TransactionList.js
+++ b/src/transaction/TransactionList.js
@@ -93,8 +93,13 @@ function TransactionList() {
             </Form.Select>
           </Form.Group>
         </Row>
-        <MemberPicker member={member} onChange={setMember} />
-        <MemberPicker member={proxy} onChange={setProxy} text="Por" />
+        <MemberPicker member={member} onChange={setMember} allowDisabled />
+        <MemberPicker
+          member={proxy}
+          onChange={setProxy}
+          text="Por"
+          allowDisabled
+        />
       </Form>
       <br />
       <Fetcher url={"/api/transaction?" + query} onFetch={setTransactions}>