diff --git a/src/core/lvmdevice.cpp b/src/core/lvmdevice.cpp
--- a/src/core/lvmdevice.cpp
+++ b/src/core/lvmdevice.cpp
@@ -132,7 +132,7 @@
     if (fs->type() == FileSystem::Luks) {
         r |= PartitionRole::Luks;
         FS::luks* luksFs = static_cast<FS::luks*>(fs);
-        luksFs->initLUKS();
+        luksFs->initLUKS(logicalSize());
 
         QString mapperNode = luksFs->mapperName();
         mountPoint = FileSystem::detectMountPoint(fs, mapperNode);
diff --git a/src/fs/luks.h b/src/fs/luks.h
--- a/src/fs/luks.h
+++ b/src/fs/luks.h
@@ -126,6 +126,10 @@
         return m_GetUUID;
     }
 
+    void setLogicalSectorSize(unsigned int logicalSectorSize) {
+        m_logicalSectorSize = logicalSectorSize;
+    }
+
     bool check(Report& report, const QString& deviceNode) const override;
     bool create(Report& report, const QString& deviceNode) override;
     SupportTool supportToolName() const override;
@@ -182,7 +186,7 @@
     qint64 payloadOffset() const { return m_PayloadOffset; }
 
     static bool canEncryptType(FileSystem::Type type);
-    void initLUKS();
+    void initLUKS(unsigned int sectorSize);
 
 protected:
     virtual QString readOuterUUID(const QString& deviceNode) const;
@@ -208,7 +212,7 @@
     mutable bool m_cryptsetupFound;
     QString m_passphrase;
     bool m_isMounted;
-    constexpr static unsigned int m_logicalSectorSize = 512;
+    unsigned int m_logicalSectorSize;
 
     QString m_MapperName;
     QString m_CipherName;
diff --git a/src/fs/luks.cpp b/src/fs/luks.cpp
--- a/src/fs/luks.cpp
+++ b/src/fs/luks.cpp
@@ -62,6 +62,7 @@
     , m_isCryptOpen(false)
     , m_cryptsetupFound(m_Create != cmdSupportNone)
     , m_isMounted(false)
+    , m_logicalSectorSize(512)
     , m_KeySize(-1)
     , m_PayloadOffset(-1)
 {
@@ -495,7 +496,7 @@
     else if (m_innerFs->resize(report, mapperName(), payloadLength))
     {
         ExternalCommand cryptResizeCmd(report, QStringLiteral("cryptsetup"),
-                {  QStringLiteral("--size"), QString::number(payloadLength / m_logicalSectorSize), // LUKS assumes 512 bytes sector
+                {  QStringLiteral("--size"), QString::number(payloadLength / 512), // LUKS payload length is specified in multiples of 512 bytes
                    QStringLiteral("resize"), mapperName() });
         report.line() << xi18nc("@info:progress", "Resizing LUKS crypt on partition <filename>%1</filename>.", deviceNode);
         if (cryptResizeCmd.run(-1) && cryptResizeCmd.exitCode() == 0)
@@ -650,8 +651,9 @@
     }
 }
 
-void luks::initLUKS()
+void luks::initLUKS(unsigned int sectorSize)
 {
+    setLogicalSectorSize(sectorSize);
     QString mapperNode = mapperName();
     bool isCryptOpen = !mapperNode.isEmpty();
     setCryptOpen(isCryptOpen);
diff --git a/src/plugins/libparted/libpartedbackend.cpp b/src/plugins/libparted/libpartedbackend.cpp
--- a/src/plugins/libparted/libpartedbackend.cpp
+++ b/src/plugins/libparted/libpartedbackend.cpp
@@ -341,7 +341,7 @@
         if (fs->type() == FileSystem::Luks) {
             r |= PartitionRole::Luks;
             FS::luks* luksFs = static_cast<FS::luks*>(fs);
-            luksFs->initLUKS();
+            luksFs->initLUKS(d.logicalSize());
             QString mapperNode = luksFs->mapperName();
             mountPoint = FileSystem::detectMountPoint(fs, mapperNode);
             mounted    = FileSystem::detectMountStatus(fs, mapperNode);