diff --git a/src/components/admin/SourcesRegistry.tsx b/src/components/admin/SourcesRegistry.tsx
index 165e837..8eecd40 100644
--- a/src/components/admin/SourcesRegistry.tsx
+++ b/src/components/admin/SourcesRegistry.tsx
@@ -101,7 +101,7 @@ function ActionDialog({
           <Button
             text={"DOIT"}
             onClick={() => {
-              requestTXN(address.toString(), toNano(0.01), action(value));
+              requestTXN(address.toString(), toNano("0.01"), action(value));
             }}
           />
         </DialogActions>
diff --git a/src/components/admin/VerifierRegistry.tsx b/src/components/admin/VerifierRegistry.tsx
index 79405df..08f5467 100644
--- a/src/components/admin/VerifierRegistry.tsx
+++ b/src/components/admin/VerifierRegistry.tsx
@@ -117,7 +117,7 @@ function UpdateVerifier({ verifier }: { verifier: Verifier }) {
 
               requestTXN(
                 window.verifierRegistryAddress,
-                toNano(0.01),
+                toNano("0.01"),
                 updateVerifier({
                   id: sha256BN(val.name),
                   quorum: val.quorum,
diff --git a/src/lib/usePublishProof.ts b/src/lib/usePublishProof.ts
index febb350..b0070c7 100644
--- a/src/lib/usePublishProof.ts
+++ b/src/lib/usePublishProof.ts
@@ -47,7 +47,7 @@ export function usePublishProof() {
     sendTXN: () => {
       sendTXN(
         Address.parse(window.verifierRegistryAddress),
-        import.meta.env.DEV ? toNano(0.1) : toNano(0.5),
+        import.meta.env.DEV ? toNano("0.1") : toNano("0.5"),
         Cell.fromBoc(Buffer.from(submitSourcesData!.result.msgCell!))[0],
       );
     },