diff --git a/package.json b/package.json
index d250541..f54af97 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "bnc-notify",
-  "version": "1.5.0",
+  "version": "1.5.1",
   "description": "Show web3 users realtime transaction notifications",
   "keywords": [
     "ethereum",
diff --git a/src/transactions.ts b/src/transactions.ts
index da67715..02576c0 100644
--- a/src/transactions.ts
+++ b/src/transactions.ts
@@ -32,9 +32,13 @@ export function handlePreFlightEvent(
     status
   } = preflightEvent
 
-  const contract = {
-    methodName: contractCall.methodName,
-    parameters: contractCall.params
+  let contract
+
+  if (contractCall) {
+    contract = {
+      methodName: contractCall.methodName,
+      parameters: contractCall.params
+    }
   }
 
   blocknative.event({
@@ -42,14 +46,14 @@ export function handlePreFlightEvent(
     eventCode,
     transaction: txDetails,
     wallet: { balance },
-    contract
+    contract: contractCall ? contract : undefined
   })
 
   const transaction = {
     ...txDetails,
     eventCode,
     status,
-    contractCall
+    contractCall: contract ? contractCall : undefined
   }
 
   const emitterResult = emitter.emit(transaction)
diff --git a/yarn.lock b/yarn.lock
index 76a0628..80afc8d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2663,9 +2663,9 @@ object-keys@^1.0.11, object-keys@^1.0.12:
   integrity sha512-NuAESUOUMrlIXOfHKzD6bpPu3tYt3xvjNdRIQ+FeT0lNb4K8WR70CaDxhuNguS2XG+GjkyMwOzsN5ZktImfhLA==
 
 object-path@^0.11.4:
-  version "0.11.4"
-  resolved "https://registry.yarnpkg.com/object-path/-/object-path-0.11.4.tgz#370ae752fbf37de3ea70a861c23bba8915691949"
-  integrity sha1-NwrnUvvzfePqcKhhwju6iRVpGUk=
+  version "0.11.5"
+  resolved "https://registry.yarnpkg.com/object-path/-/object-path-0.11.5.tgz#d4e3cf19601a5140a55a16ad712019a9c50b577a"
+  integrity sha512-jgSbThcoR/s+XumvGMTMf81QVBmah+/Q7K7YduKeKVWL7N111unR2d6pZZarSk6kY/caeNxUDyxOvMWyzoU2eg==
 
 object-resolve-path@^1.1.1:
   version "1.1.1"