diff --git a/src/simudator/gui/gui.py b/src/simudator/gui/gui.py
index c7a273c32a40b3d5c78e9ab695ea84eab026f2e4..f38cdc8274eadf9f0c73c3fe21b159aeef9582f2 100644
--- a/src/simudator/gui/gui.py
+++ b/src/simudator/gui/gui.py
@@ -824,6 +824,7 @@ class GUI(QMainWindow):
 
 
 if __name__ == '__main__':
+    QtWidgets.QApplication.setAttribute(QtCore.Qt.AA_EnableHighDpiScaling)
     app = QApplication(sys.argv)
     gui = GUI(Processor())
     gui.show()
diff --git a/src/simudator/gui/module_graphics_item/mia/upc_graphic.py b/src/simudator/gui/module_graphics_item/mia/upc_graphic.py
index db664588f44eecd8caba04053b7e1c9d2bb226b0..2498c39a48ce5a4f9c9e3eb7f3beb834d8699e70 100644
--- a/src/simudator/gui/module_graphics_item/mia/upc_graphic.py
+++ b/src/simudator/gui/module_graphics_item/mia/upc_graphic.py
@@ -15,8 +15,7 @@ class uPcGraphicsItem(IntegerRegisterGraphicsItem):
         name = self.state["name"]
         value = self.state["value"]
 
-        value_text = f"0x{value:02x}"
-        full_text = name + ": " + value_text[2:]
+        full_text = f"{name}: {value:02x}"
 
         self.text.setText(full_text)
 
diff --git a/src/simudator/gui/module_graphics_item/register_graphic.py b/src/simudator/gui/module_graphics_item/register_graphic.py
index d1ce000855454e3801adf4b42b91d1a6724bf615..52b6a944f9b6b121593ddc8acd69ae11d5cc3365 100644
--- a/src/simudator/gui/module_graphics_item/register_graphic.py
+++ b/src/simudator/gui/module_graphics_item/register_graphic.py
@@ -7,7 +7,7 @@ from simudator.gui.module_graphics_item.module_graphics_item import ModuleGraphi
 
 class RegisterGraphicsItem(ModuleGraphicsItem):
     """
-    A general garphics item for register modules.
+    A general graphics item for register modules.
     """
     RECT_HEIGHT = 40
     RECT_WIDTH_PER_CHAR = 8
diff --git a/src/simudator/processor/mia/mia.py b/src/simudator/processor/mia/mia.py
index 83cdc4e3706ebbe41ff30e8cdf7830ef601ae7d8..7c56ba39eb4a8d65d4003d27ab008cb4254dd6df 100644
--- a/src/simudator/processor/mia/mia.py
+++ b/src/simudator/processor/mia/mia.py
@@ -1,7 +1,5 @@
 import sys
 
-from qtpy.QtWidgets import QApplication
-
 from simudator.cli.cli import CLI
 from simudator.core.modules import Flag
 from simudator.core.modules.register import IntegerRegister
@@ -223,6 +221,9 @@ class MIA_CPU(Processor):
             self.do_tick()
 
     def launch_gui(self):
+        from qtpy import QtCore
+        from qtpy.QtWidgets import QApplication
+        QApplication.setAttribute(QtCore.Qt.AA_EnableHighDpiScaling)
         app = QApplication(sys.argv)
         self.load_state_from_file("mia_uppg3.txt")
         self.reset()