diff --git a/web/static/js/ntech.js b/web/static/js/ntech.js
index 3eade36..dc39160 100644
--- a/web/static/js/ntech.js
+++ b/web/static/js/ntech.js
@@ -141,6 +141,7 @@ document.addEventListener('alpine:init', () => {
         nacinPlacanja: 'gotovina',
         primljenoIznos: '',
         prikaziRacun: true,
+        saljemSe: false,
         _fiskalniTab: null,
         artikliOpcije: [],
         pretragaArtikal: '',
@@ -358,6 +359,8 @@ document.addEventListener('alpine:init', () => {
         // posaljiProdaju uklanja prazne stavke (npr. automatski dodat red na kraju koji korisnik
         // nije popunio) pre nego što se forma stvarno pošalje na server
         posaljiProdaju(e) {
+            if (this.saljemSe) return
+            this.saljemSe = true
             this.stavke = this.stavke.filter(s => s.artikal_id)
             this.$nextTick(() => e.target.submit())
         },
diff --git a/web/templates/stranice/prodaja_forma.html b/web/templates/stranice/prodaja_forma.html
index 055ac45..aab5647 100644
--- a/web/templates/stranice/prodaja_forma.html
+++ b/web/templates/stranice/prodaja_forma.html
@@ -332,8 +332,8 @@
             style="width:16px;height:16px;accent-color:var(--sb-akcent);cursor:pointer;flex-shrink:0;">
           <span style="font-size:13px;color:var(--tekst-glavni);">Prikaži fiskalni račun</span>
         </label>
-        <button type="submit" class="btn-primarno" style="width:100%;margin-top:4px;" :disabled="!naplataValidna()"
-          :style="!naplataValidna() ? 'opacity:0.4;cursor:not-allowed;' : ''" @click="pripremiFiskalniTab()">
+        <button type="submit" class="btn-primarno" style="width:100%;margin-top:4px;" :disabled="!naplataValidna() || saljemSe"
+          :style="(!naplataValidna() || saljemSe) ? 'opacity:0.4;cursor:not-allowed;' : ''" @click="pripremiFiskalniTab()">
           Naplati
         </button>
       </div>