diff --git a/src/asammdf/gui/ui/functions_manager.py b/src/asammdf/gui/ui/functions_manager.py
index 1d303ea29..755a824f0 100644
--- a/src/asammdf/gui/ui/functions_manager.py
+++ b/src/asammdf/gui/ui/functions_manager.py
@@ -137,6 +137,7 @@ def setupUi(self, FunctionsManager):
 
         self.gridLayout_2.addWidget(self.functions_list, 1, 0, 1, 1)
 
+        self.gridLayout_2.setColumnStretch(1, 1)
         self.tabs.addTab(self.tab, "")
         self.tab_2 = QWidget()
         self.tab_2.setObjectName(u"tab_2")
diff --git a/src/asammdf/gui/ui/functions_manager.ui b/src/asammdf/gui/ui/functions_manager.ui
index 23c842af5..44af2d757 100644
--- a/src/asammdf/gui/ui/functions_manager.ui
+++ b/src/asammdf/gui/ui/functions_manager.ui
@@ -38,7 +38,7 @@
       <attribute name="title">
        <string>Functions</string>
       </attribute>
-      <layout class="QGridLayout" name="gridLayout_2">
+      <layout class="QGridLayout" name="gridLayout_2" columnstretch="0,1">
        <property name="leftMargin">
         <number>1</number>
        </property>
diff --git a/src/asammdf/version.py b/src/asammdf/version.py
index f46ef2faa..bc40bf1ce 100644
--- a/src/asammdf/version.py
+++ b/src/asammdf/version.py
@@ -1,3 +1,3 @@
 """ asammdf version module """
 
-__version__ = "8.0.0"
+__version__ = "8.0.1.dev1"