diff --git a/src/backups.js b/src/backups.js
index 5ba9bb315..9fab9ea5b 100644
--- a/src/backups.js
+++ b/src/backups.js
@@ -519,8 +519,8 @@ function sync(backupConfig, backupId, dataLayout, progressCallback, callback) {
                 }); // ignore error if file disappears
                 stream.on('progress', function (progress) {
                     const transferred = Math.round(progress.transferred/1024/1024), speed = Math.round(progress.speed/1024/1024);
-                    if (!transferred && !speed) return progressCallback({ message: `Uploading ${task.path}` }); // 0M@0Mbps looks wrong
-                    progressCallback({ message: `Uploading ${task.path}: ${transferred}M@${speed}Mbps` }); // 0M@0Mbps looks wrong
+                    if (!transferred && !speed) return progressCallback({ message: `Uploading ${task.path}` }); // 0M@0MBps looks wrong
+                    progressCallback({ message: `Uploading ${task.path}: ${transferred}M@${speed}MBps` }); // 0M@0MBps looks wrong
                 });
                 api(backupConfig.provider).upload(backupConfig, backupFilePath, stream, function (error) {
                     debug(error ? `Error uploading ${task.path} try ${retryCount}: ${error.message}` : `Uploaded ${task.path}`);
@@ -618,8 +618,8 @@ function upload(backupId, format, dataLayoutString, progressCallback, callback)
 
                         tarStream.on('progress', function (progress) {
                             const transferred = Math.round(progress.transferred/1024/1024), speed = Math.round(progress.speed/1024/1024);
-                            if (!transferred && !speed) return progressCallback({ message: 'Uploading backup' }); // 0M@0Mbps looks wrong
-                            progressCallback({ message: `Uploading backup ${transferred}M@${speed}Mbps` });
+                            if (!transferred && !speed) return progressCallback({ message: 'Uploading backup' }); // 0M@0MBps looks wrong
+                            progressCallback({ message: `Uploading backup ${transferred}M@${speed}MBps` });
                         });
                         tarStream.on('error', retryCallback); // already returns BoxError
 
@@ -759,8 +759,8 @@ function downloadDir(backupConfig, backupFilePath, dataLayout, progressCallback,
 
                     destStream.on('progress', function (progress) {
                         const transferred = Math.round(progress.transferred/1024/1024), speed = Math.round(progress.speed/1024/1024);
-                        if (!transferred && !speed) return progressCallback({ message: `Downloading ${entry.fullPath}` }); // 0M@0Mbps looks wrong
-                        progressCallback({ message: `Downloading ${entry.fullPath}: ${transferred}M@${speed}Mbps` });
+                        if (!transferred && !speed) return progressCallback({ message: `Downloading ${entry.fullPath}` }); // 0M@0MBps looks wrong
+                        progressCallback({ message: `Downloading ${entry.fullPath}: ${transferred}M@${speed}MBps` });
                     });
                     destStream.on('error', closeAndRetry);
 
@@ -804,8 +804,8 @@ function download(backupConfig, backupId, format, dataLayout, progressCallback,
 
                     ps.on('progress', function (progress) {
                         const transferred = Math.round(progress.transferred/1024/1024), speed = Math.round(progress.speed/1024/1024);
-                        if (!transferred && !speed) return progressCallback({ message: 'Downloading backup' }); // 0M@0Mbps looks wrong
-                        progressCallback({ message: `Downloading ${transferred}M@${speed}Mbps` });
+                        if (!transferred && !speed) return progressCallback({ message: 'Downloading backup' }); // 0M@0MBps looks wrong
+                        progressCallback({ message: `Downloading ${transferred}M@${speed}MBps` });
                     });
                     ps.on('error', retryCallback);
                     ps.on('done', retryCallback);