diff --git a/components/Navbar.js b/components/Navbar.js
index ea35c5e..bfe5a3d 100644
--- a/components/Navbar.js
+++ b/components/Navbar.js
@@ -198,9 +198,16 @@ const Navbar = ({ isHome }) => {
       });
       console.log("sign", signature, "full message", fullMessage);
 
+      let signaturewallet = signature;
+
+      if(signaturewallet.length === 128)
+      {
+        signaturewallet = `0x${signaturewallet}`;
+      }
+
       const authenticationData = {
         flowId: nonce,
-        signature: `0x${signature}`,
+        signature: `${signature}`,
         pubKey: publicKey,
       };
 
diff --git a/components/connectwallet.ts b/components/connectwallet.ts
index 92420b1..c29df02 100644
--- a/components/connectwallet.ts
+++ b/components/connectwallet.ts
@@ -43,9 +43,16 @@ const connectWallet = async () => {
       });
       console.log("sign", signature, "full message", fullMessage);
 
+      let signaturewallet = signature;
+
+      if(signaturewallet.length === 128)
+      {
+        signaturewallet = `0x${signaturewallet}`;
+      }
+
       const authenticationData = {
         flowId: nonce,
-        signature: `0x${signature}`,
+        signature: `${signature}`,
         pubKey: publicKey,
       };
 
diff --git a/pages/mint.js b/pages/mint.js
index df33747..e4c21c4 100644
--- a/pages/mint.js
+++ b/pages/mint.js
@@ -99,9 +99,16 @@ const Mint = () => {
       });
       console.log("sign", signature, "full message", fullMessage);
 
+      let signaturewallet = signature;
+
+      if(signaturewallet.length === 128)
+      {
+        signaturewallet = `0x${signaturewallet}`;
+      }
+
       const authenticationData = {
         flowId: nonce,
-        signature: `0x${signature}`,
+        signature: `${signature}`,
         pubKey: publicKey,
       };
 
diff --git a/pages/subscription.tsx b/pages/subscription.tsx
index 96a7062..5e75ef4 100644
--- a/pages/subscription.tsx
+++ b/pages/subscription.tsx
@@ -447,11 +447,18 @@ const Subscription = () => {
         });
         console.log("sign", signature, "full message", fullMessage);
 
-        const authenticationData = {
-          flowId: nonce,
-          signature: `0x${signature}`,
-          pubKey: publicKey,
-        };
+        let signaturewallet = signature;
+
+      if(signaturewallet.length === 128)
+      {
+        signaturewallet = `0x${signaturewallet}`;
+      }
+
+      const authenticationData = {
+        flowId: nonce,
+        signature: `${signature}`,
+        pubKey: publicKey,
+      };
 
         const authenticateApiUrl = `${REACT_APP_GATEWAY_URL}api/v1.0/authenticate`;