diff --git a/icons/NumixMsk/256x256/actions/split-close.svg b/icons/NumixMsk/256x256/actions/split-close.svg
new file mode 100644
index 00000000..f17159f4
--- /dev/null
+++ b/icons/NumixMsk/256x256/actions/split-close.svg
@@ -0,0 +1,58 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="256"
+   height="256"
+   viewBox="0 0 256 256"
+   id="svg2"
+   version="1.1"
+   inkscape:version="0.48.4 r9939"
+   sodipodi:docname="split-close.svg">
+  <metadata
+     id="metadata14">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <defs
+     id="defs12" />
+  <sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="1366"
+     inkscape:window-height="721"
+     id="namedview10"
+     showgrid="false"
+     inkscape:zoom="0.921875"
+     inkscape:cx="128"
+     inkscape:cy="128"
+     inkscape:window-x="-2"
+     inkscape:window-y="-3"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="g4" />
+  <g
+     style="fill:#268bd2"
+     id="g4">
+    <path
+       d="m 16,16 224,0 0,224 -224,0 z"
+       id="path6"
+       inkscape:connector-curvature="0" />
+  </g>
+</svg>
diff --git a/icons/NumixMsk/256x256/actions/split-horizontal.svg b/icons/NumixMsk/256x256/actions/split-horizontal.svg
new file mode 100644
index 00000000..c57b727a
--- /dev/null
+++ b/icons/NumixMsk/256x256/actions/split-horizontal.svg
@@ -0,0 +1,63 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="256"
+   height="256"
+   viewBox="0 0 256 256"
+   id="svg2"
+   version="1.1"
+   inkscape:version="0.48.4 r9939"
+   sodipodi:docname="split-horizontal.svg">
+  <metadata
+     id="metadata14">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <defs
+     id="defs12" />
+  <sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="1366"
+     inkscape:window-height="721"
+     id="namedview10"
+     showgrid="false"
+     inkscape:zoom="0.921875"
+     inkscape:cx="128"
+     inkscape:cy="128"
+     inkscape:window-x="-2"
+     inkscape:window-y="-3"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="svg2" />
+  <g
+     style="fill:#268bd2"
+     id="g4"
+     transform="matrix(0,1,-1,0,256,0)">
+    <path
+       d="m 16,16 96,0 0,224 -96,0 z"
+       id="path6"
+       inkscape:connector-curvature="0" />
+    <path
+       d="m 144,16 96,0 0,224 -96,0 z"
+       id="path8"
+       inkscape:connector-curvature="0" />
+  </g>
+</svg>
diff --git a/icons/NumixMsk/256x256/actions/split-vertical.svg b/icons/NumixMsk/256x256/actions/split-vertical.svg
new file mode 100644
index 00000000..3aed1bbd
--- /dev/null
+++ b/icons/NumixMsk/256x256/actions/split-vertical.svg
@@ -0,0 +1,6 @@
+<svg width="256" xmlns="http://www.w3.org/2000/svg" height="256" viewBox="0 0 256 256" xmlns:xlink="http://www.w3.org/1999/xlink">
+<g style="fill:#268bd2">
+<path d="M 16 16 L 112 16 L 112 240 L 16 240 Z "/>
+<path d="M 144 16 L 240 16 L 240 240 L 144 240 Z "/>
+</g>
+</svg>
diff --git a/manuskript/ui/editors/tabSplitter.py b/manuskript/ui/editors/tabSplitter.py
index 8e4d34ec..13b12e38 100644
--- a/manuskript/ui/editors/tabSplitter.py
+++ b/manuskript/ui/editors/tabSplitter.py
@@ -2,9 +2,8 @@
 # --!-- coding: utf8 --!--
 import locale
 
-from PyQt5.QtCore import QModelIndex, QRect, QPoint
-from PyQt5.QtCore import Qt, QObject, QSize
-from PyQt5.QtGui import QPixmap, QPainter
+from PyQt5.QtCore import QModelIndex, QRect, QPoint, Qt, QObject, QSize
+from PyQt5.QtGui import QIcon
 from PyQt5.QtWidgets import QWidget, QPushButton, qApp
 
 from manuskript.functions import mainWindow
@@ -28,11 +27,11 @@ class tabSplitter(QWidget, Ui_tabSplitter):
 
         self.btmSplit = QPushButton()
 
-        self.btnSplit = QPushButton("S", self)
+        self.btnSplit = QPushButton(self)
         self.btnSplit.setGeometry(QRect(0, 0, 24, 24))
         self.btnSplit.setMinimumSize(QSize(24, 24))
         self.btnSplit.setMaximumSize(QSize(24, 24))
-        self.btnSplit.setCheckable(True)
+        # self.btnSplit.setCheckable(True)
         self.btnSplit.setFlat(True)
         self.btnSplit.setObjectName("btnSplit")
 
@@ -42,6 +41,7 @@ class tabSplitter(QWidget, Ui_tabSplitter):
         self.secondTab = None
         self.splitState = 0
         self.focusTab = 1
+        self.closeSplit()
 
         self.tab.tabCloseRequested.connect(self.closeTab)
         self.tab.currentChanged.connect(self.mainEditor.tabChanged)
@@ -103,7 +103,9 @@ class tabSplitter(QWidget, Ui_tabSplitter):
 
             self.splitState = 1
             self.splitter.setOrientation(Qt.Horizontal)
-            self.btnSplit.setChecked(True)
+            # self.btnSplit.setChecked(True)
+            self.btnSplit.setIcon(QIcon.fromTheme("split-vertical"))
+            self.btnSplit.setToolTip(self.tr("Split horizontally"))
 
         elif state is None and self.splitState == 1 or state == 2:
             if self.secondTab is None:
@@ -111,7 +113,9 @@ class tabSplitter(QWidget, Ui_tabSplitter):
 
             self.splitter.setOrientation(Qt.Vertical)
             self.splitState = 2
-            self.btnSplit.setChecked(True)
+            # self.btnSplit.setChecked(True)
+            self.btnSplit.setIcon(QIcon.fromTheme("split-horizontal"))
+            self.btnSplit.setToolTip(self.tr("Close split"))
 
         else:
             self.closeSplit()
@@ -134,8 +138,10 @@ class tabSplitter(QWidget, Ui_tabSplitter):
             qApp.focusChanged.disconnect(self.secondTab.focusChanged)
         self.focusTab = 1
         self.secondTab = None
-        self.btnSplit.setChecked(False)
+        # self.btnSplit.setChecked(False)
         self.splitState = 0
+        self.btnSplit.setIcon(QIcon.fromTheme("split-close"))
+        self.btnSplit.setToolTip(self.tr("Split vertically"))
 
     # def resizeEvent(self, event):
     #     r = self.geometry()