diff --git a/gui/installer.py b/gui/installer.py
index 33b120b..7819aa0 100644
--- a/gui/installer.py
+++ b/gui/installer.py
@@ -341,8 +341,8 @@ class ValidationWidget(QWidget):
 
         layout = QVBoxLayout(self)
         layout.addWidget(self.validation_gbox)
-        self.setMinimumWidth(470)
-        self.setMaximumWidth(470)
+        self.setMinimumWidth(500)
+        self.setMaximumWidth(500)
 
         self.tapes = None
         self.load_tapes_from_file()
@@ -414,10 +414,9 @@ class UpdateWidget(QWidget):
         self.gbox = QGroupBox("Update")
         self.gbox.setLayout(self.grid)
 
-        layout = QHBoxLayout()
+        layout = QHBoxLayout(self)
         layout.addWidget(self.gbox)
         layout.setContentsMargins(0, 0, 0, 0)
-        self.setLayout(layout)
 
         self.does_git_exist()
 
@@ -495,10 +494,9 @@ class InstallWidget(QWidget):
         self.gbox = QGroupBox("Install steps")
         self.gbox.setLayout(self.grid)
 
-        layout = QHBoxLayout()
+        layout = QHBoxLayout(self)
         layout.addWidget(self.gbox)
         layout.setContentsMargins(0, 0, 0, 0)
-        self.setLayout(layout)
 
         self.does_ffmpeg_exist()