diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7c64b8da9..471a91d55 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -19,6 +19,7 @@ cmake_policy( SET CMP0043 OLD )
 
 find_package( Qt5 5.3.0 CONFIG REQUIRED Core Gui Widgets LinguistTools )
 find_package( YamlCpp 0.5.1 REQUIRED )
+find_package( KF5 CONFIG REQUIRED CoreAddons )
 
 ###
 ### Calamares application info
diff --git a/src/modules/partition/CMakeLists.txt b/src/modules/partition/CMakeLists.txt
index f6ba92199..3715dcec4 100644
--- a/src/modules/partition/CMakeLists.txt
+++ b/src/modules/partition/CMakeLists.txt
@@ -24,6 +24,7 @@ calamares_add_plugin( partition
         calapm
         ${CALAMARES_LIBRARIES}
         calamares_bin
+        KF5::CoreAddons
     SHARED_LIB
 )
 
@@ -54,6 +55,7 @@ target_link_libraries( partview
     Qt5::Widgets
     Qt5::Gui
     Qt5::Core
+    KF5::CoreAddons
 )
 set_target_properties( partview PROPERTIES AUTOMOC TRUE )
 
diff --git a/src/modules/partition/PartitionModel.cpp b/src/modules/partition/PartitionModel.cpp
index 9eb761395..248bdfc5c 100644
--- a/src/modules/partition/PartitionModel.cpp
+++ b/src/modules/partition/PartitionModel.cpp
@@ -25,6 +25,9 @@
 #include <core/partitiontable.h>
 #include <fs/filesystem.h>
 
+// KF5
+#include <KFormat>
+
 PartitionModel::PartitionModel( QObject* parent )
     : QAbstractListModel( parent )
 {
@@ -81,7 +84,7 @@ PartitionModel::data( const QModelIndex& index, int role ) const
             text += partition->partitionPath() + " " + partition->fileSystem().name() + " " + partition->mountPoint();
         }
         qint64 size = ( partition->lastSector() - partition->firstSector() + 1 ) * m_device->logicalSectorSize();
-        text += tr( " (%1 MB)" ).arg( size / 1024 / 1024 );
+        text += tr( " (%1)" ).arg( KFormat().formatByteSize( size ) );
         return text;
     }
     default: