diff --git a/static/js/base.js b/static/js/base.js
index c9a4caff..87a79af2 100644
--- a/static/js/base.js
+++ b/static/js/base.js
@@ -335,39 +335,45 @@ function autoCompleteNote(field_id, note_list_id, notes, notes_display, alias_pr
                     })
                 });
 
-                $("#validate_" + id).html("<i class='fa fa-spinner'></i>");
+            });// end getJSON alias
+    });
+}// end function autocomplete
 
-                // Perform a PATCH request to the API in order to update the transaction
-                // If the user has insufficient rights, an error message will appear
-                $.ajax({
-                    "url": "/api/note/transaction/transaction/" + id + "/",
-                    type: "PATCH",
-                    dataType: "json",
-                    headers: {
-                        "X-CSRFTOKEN": CSRF_TOKEN
-                    },
-                    data: {
-                        "resourcetype": "RecurrentTransaction",
-                        "valid": !validated,
-                        "invalidity_reason": invalidity_reason,
-                    },
-                    success: function () {
-                        // Refresh jQuery objects
-                        $(".validate").click(de_validate);
 
-                        refreshBalance();
-                        // error if this method doesn't exist. Please define it.
-                        refreshHistory();
-                    },
-                    error: function (err) {
-                        addMsg("Une erreur est survenue lors de la validation/dévalidation " +
-                            "de cette transaction : " + err.responseText, "danger");
+// When a validate button is clicked, we switch the validation status
+function de_validate(id, validated) {
+    let invalidity_reason = $("#invalidity_reason_" + id).val();
+    $("#validate_" + id).html("<strong style=\"font-size: 16pt;\">⟳ ...</strong>");
 
-                        refreshBalance();
-                        // error if this method doesn't exist. Please define it.
-                        refreshHistory();
-                    }
-                });
-            });
+    // Perform a PATCH request to the API in order to update the transaction
+    // If the user has insufficient rights, an error message will appear
+    $.ajax({
+        "url": "/api/note/transaction/transaction/" + id + "/",
+        type: "PATCH",
+        dataType: "json",
+        headers: {
+            "X-CSRFTOKEN": CSRF_TOKEN
+        },
+        data: {
+            "resourcetype": "RecurrentTransaction",
+            "valid": !validated,
+            "invalidity_reason": invalidity_reason,
+        },
+        success: function () {
+            // Refresh jQuery objects
+            $(".validate").click(de_validate);
+
+            refreshBalance();
+            // error if this method doesn't exist. Please define it.
+            refreshHistory();
+        },
+        error: function (err) {
+            addMsg("Une erreur est survenue lors de la validation/dévalidation " +
+                "de cette transaction : " + err.responseText, "danger");
+
+            refreshBalance();
+            // error if this method doesn't exist. Please define it.
+            refreshHistory();
+        }
     });
 }