diff --git a/core/archive_util.js b/core/archive_util.js
index 86bb7ce7..ab4e1dd9 100644
--- a/core/archive_util.js
+++ b/core/archive_util.js
@@ -319,7 +319,7 @@ module.exports = class ArchiveUtil {
         }
 
         let output = '';
-        proc.on('data', data => {
+        proc.onData(data => {
             //  :TODO: hack for: execvp(3) failed.: No such file or directory
 
             output += data;
diff --git a/core/file_transfer.js b/core/file_transfer.js
index 68daf2db..44ebdc11 100644
--- a/core/file_transfer.js
+++ b/core/file_transfer.js
@@ -426,7 +426,7 @@ exports.getModule = class TransferFileModule extends MenuModule {
             }
         });
 
-        externalProc.on('data', data => {
+        externalProc.onData(data => {
             updateActivity();
 
             //  needed for things like sz/rz