diff --git a/src_main/system/pisysteminfo.cpp b/src_main/system/pisysteminfo.cpp
index bdb07eff..7130cf7a 100644
--- a/src_main/system/pisysteminfo.cpp
+++ b/src_main/system/pisysteminfo.cpp
@@ -29,6 +29,16 @@
 #define SALT_SIZE 8
 
 
+
+
+PISystemInfo::MountInfo::MountInfo() {
+	space_all = space_used = space_free = 0;
+	removable = false;
+}
+
+
+
+
 PISystemInfo::PISystemInfo() {
 	processorsCount = 1;
 }
@@ -79,12 +89,14 @@ PIStringList PISystemInfo::mountRoots() {
 
 struct String3 {PIString mp, type, label;};
 
-PIVector<PISystemInfo::MountInfo> PISystemInfo::mountInfo() {
+PIVector<PISystemInfo::MountInfo> PISystemInfo::mountInfo(bool ignore_cache) {
 	static PIVector<PISystemInfo::MountInfo> cache;
 	static PITimeMeasurer tm;
 	static bool first = true;
-	if (tm.elapsed_m() < piMountInfoRefreshIntervalMs && !first)
-		return cache;
+	if (!ignore_cache) {
+		if (tm.elapsed_m() < piMountInfoRefreshIntervalMs && !first)
+			return cache;
+	}
 	first = false;
 	tm.reset();
 	cache.clear();
@@ -109,6 +121,8 @@ PIVector<PISystemInfo::MountInfo> PISystemInfo::mountInfo() {
 					m.space_used = m.space_all - m.space_free;
 				} else
 					m.space_all = m.space_free = m.space_used = 0U;
+				if (GetDriveType(clet.dataAscii()) == DRIVE_REMOVABLE)
+					m.removable = true;
 				clet.cutRight(1);
 				int qdd = QueryDosDevice(clet.data(), volfs, 1023);
 				if (qdd > 0)
diff --git a/src_main/system/pisysteminfo.h b/src_main/system/pisysteminfo.h
index a2490a7f..5cab4fc4 100644
--- a/src_main/system/pisysteminfo.h
+++ b/src_main/system/pisysteminfo.h
@@ -27,7 +27,7 @@ public:
 	PISystemInfo();
 	
 	struct MountInfo {
-		MountInfo() {space_all = space_used = space_free = 0;}
+		MountInfo();
 		PIString mount_point;
 		PIString device;
 		PIString filesystem;
@@ -35,6 +35,7 @@ public:
 		ullong space_all;
 		ullong space_used;
 		ullong space_free;
+		bool removable;
 	};
 
 	PIString ifconfigPath, execCommand, hostname, user, OS_name, OS_version, architecture;
@@ -42,7 +43,7 @@ public:
 	int processorsCount;
 	
 	static PIStringList mountRoots();
-	static PIVector<MountInfo> mountInfo();
+	static PIVector<MountInfo> mountInfo(bool ignore_cache = false);
 	static PIString machineKey();
 	static uint machineID();