diff --git a/exch/ews/context.cpp b/exch/ews/context.cpp
index 99e033d0b..88edf2756 100644
--- a/exch/ews/context.cpp
+++ b/exch/ews/context.cpp
@@ -2141,10 +2141,10 @@ tSubscriptionId EWSContext::subscribe(const std::vector<sFolderId>& folderIds, u
 		detail::ExmdbSubscriptionKey key =
 			m_plugin.subscribe(m_auth_info.maildir, eventMask, true, rop_util_make_eid_ex(1, PRIVATE_FID_IPMSUBTREE),
 		                       subscriptionId.ID);
-		mgr->subscriptions.emplace_back(key);
+		mgr->inner_subs.emplace_back(key);
 		return subscriptionId;
 	}
-	mgr->subscriptions.reserve(folderIds.size());
+	mgr->inner_subs.reserve(folderIds.size());
 	std::string target;
 	std::string maildir;
 	for(const sFolderId& f : folderIds) {
@@ -2159,8 +2159,8 @@ tSubscriptionId EWSContext::subscribe(const std::vector<sFolderId>& folderIds, u
 			throw EWSError::InvalidSubscriptionRequest(E3200);
 		if(!(permissions(maildir, folderspec.folderId) & frightsReadAny))
 			continue; // TODO: proper error handling
-		mgr->subscriptions.emplace_back(m_plugin.subscribe(maildir, eventMask, all, folderspec.folderId,
-		                                                            subscriptionId.ID));
+		mgr->inner_subs.emplace_back(m_plugin.subscribe(maildir,
+			eventMask, all, folderspec.folderId, subscriptionId.ID));
 	}
 	return subscriptionId;
 }
diff --git a/exch/ews/ews.cpp b/exch/ews/ews.cpp
index 874f09c1c..6792f8863 100644
--- a/exch/ews/ews.cpp
+++ b/exch/ews/ews.cpp
@@ -790,7 +790,7 @@ EWSPlugin::SubManager::SubManager(const char *uname, const EWSPlugin &plugin) :
 EWSPlugin::SubManager::~SubManager()
 {
 	std::lock_guard ss_lock(ews.subscriptionLock);
-	for(const auto& subKey : subscriptions)
+	for (const auto &subKey : inner_subs)
 		ews.unsubscribe(subKey);
 	if(waitingContext)
 		ews.unlinkSubscription(*waitingContext);
diff --git a/exch/ews/ews.hpp b/exch/ews/ews.hpp
index 916c91a70..787d800cb 100644
--- a/exch/ews/ews.hpp
+++ b/exch/ews/ews.hpp
@@ -148,7 +148,7 @@ class EWSPlugin {
 		std::string username; ///< Name of the user who created the subscription
 		Structures::sMailboxInfo mailboxInfo; ///< Target mailbox metadata
 		std::mutex lock; ///< I/O mutex
-		std::vector<detail::ExmdbSubscriptionKey> subscriptions; ///< Exmdb subscription keys
+		std::vector<detail::ExmdbSubscriptionKey> inner_subs; ///< Exmdb subscription keys
 		std::list<Structures::sNotificationEvent> events; ///< Events that occured since last check
 		std::optional<int> waitingContext; ///< ID of context waiting for events
 	};