diff --git a/src/storage/filesystem.js b/src/storage/filesystem.js
index b5197bb6c..e9b9ef18a 100644
--- a/src/storage/filesystem.js
+++ b/src/storage/filesystem.js
@@ -308,9 +308,12 @@ function testConfig(apiConfig, callback) {
 
 function removePrivateFields(apiConfig) {
     if (apiConfig.mountOptions && apiConfig.mountOptions.password) apiConfig.mountOptions.password = constants.SECRET_PLACEHOLDER;
+    if (apiConfig.mountOptions && apiConfig.mountOptions.privateKey) apiConfig.mountOptions.privateKey = constants.SECRET_PLACEHOLDER;
+
     return apiConfig;
 }
 
 function injectPrivateFields(newConfig, currentConfig) {
     if (newConfig.mountOptions && currentConfig.mountOptions && newConfig.mountOptions.password === constants.SECRET_PLACEHOLDER) newConfig.mountOptions.password = currentConfig.mountOptions.password;
+    if (newConfig.mountOptions && currentConfig.mountOptions && newConfig.mountOptions.privateKey === constants.SECRET_PLACEHOLDER) newConfig.mountOptions.privateKey = currentConfig.mountOptions.privateKey;
 }