diff --git a/src/fs/zfs.cpp b/src/fs/zfs.cpp
index 7cc56ce..fccf00a 100644
--- a/src/fs/zfs.cpp
+++ b/src/fs/zfs.cpp
@@ -88,15 +88,15 @@ qint64 zfs::maxCapacity() const
 bool zfs::remove(Report& report, const QString& deviceNode) const
 {
     Q_UNUSED(deviceNode)
-    ExternalCommand cmd(report, QStringLiteral("zpool"), { QStringLiteral("destroy"), QStringLiteral("-f"), this->label() });
+    ExternalCommand cmd(report, QStringLiteral("zpool"), { QStringLiteral("destroy"), QStringLiteral("-f"), label() });
     return cmd.run(-1) && cmd.exitCode() == 0;
 }
 
 bool zfs::writeLabel(Report& report, const QString& deviceNode, const QString& newLabel)
 {
     Q_UNUSED(deviceNode)
-    ExternalCommand cmd1(report, QStringLiteral("zpool"), { QStringLiteral("export"), this->label() });
-    ExternalCommand cmd2(report, QStringLiteral("zpool"), { QStringLiteral("import"), this->label(), newLabel });
+    ExternalCommand cmd1(report, QStringLiteral("zpool"), { QStringLiteral("export"), label() });
+    ExternalCommand cmd2(report, QStringLiteral("zpool"), { QStringLiteral("import"), label(), newLabel });
     return cmd1.run(-1) && cmd1.exitCode() == 0 && cmd2.run(-1) && cmd2.exitCode() == 0;
 }
 }