diff --git a/src/lib.rs b/src/lib.rs
index dea33615a..8211686a7 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -367,6 +367,9 @@ mod contract {
 
     #[no_mangle]
     pub extern "C" fn new_eth_connector() {
+        // Only the owner can initialize the EthConnector
+        sdk::assert_private_call();
+
         EthConnectorContract::init_contract()
     }
 
diff --git a/tests/test_connector.rs b/tests/test_connector.rs
index ec05f65c3..d0e4bda26 100644
--- a/tests/test_connector.rs
+++ b/tests/test_connector.rs
@@ -100,7 +100,7 @@ fn init_contract(
             STORAGE_AMOUNT,
         )
         .assert_success();
-    master_account
+    contract_account
         .call(
             contract_name.to_string(),
             "new_eth_connector",