diff --git a/src/adapters/InjectiveSigningAdapter.mjs b/src/adapters/InjectiveSigningAdapter.mjs
index 1833ed2..d8a21a3 100644
--- a/src/adapters/InjectiveSigningAdapter.mjs
+++ b/src/adapters/InjectiveSigningAdapter.mjs
@@ -84,6 +84,18 @@ export default class InjectiveSigningAdapter extends DefaultSigningAdapter {
     return txRawEip712
   }
 
+  toProto(message){
+    if(!this.signerProvider.isLedger()){
+      return super.toProto(message)
+    }
+
+    const injMessage = message.toInjective()
+    return {
+      typeUrl: injMessage.toDirectSign().type,
+      value: injMessage.toBinary()
+    }
+  }
+
   pubkeyTypeUrl(pub_key){
     if(pub_key && pub_key['@type']) return pub_key['@type']
 
diff --git a/src/utils/LeapSignerProvider.mjs b/src/utils/LeapSignerProvider.mjs
index 449e959..f04ba58 100644
--- a/src/utils/LeapSignerProvider.mjs
+++ b/src/utils/LeapSignerProvider.mjs
@@ -18,6 +18,10 @@ export default class LeapSignerProvider extends SignerProvider {
     }
   }
 
+  signEIP712(...args){
+    return this.provider.experimentalSignEIP712CosmosTx_v0(...args)
+  }
+
   available() {
     return !!this.provider || isMobile()
   }