diff --git a/Makefile b/Makefile
index 5829f8f..2588524 100644
--- a/Makefile
+++ b/Makefile
@@ -3,7 +3,7 @@ py = python3
 cc := ${py} -m PyInstaller
 
 pgg = dist/gui/pygame_gui
-data = ${pgg}/data
+data := ${pgg}/data
 pggdatacdn = https://raw.githubusercontent.com/MyreMylar/pygame_gui/main/pygame_gui/data
 
 all: init build data
@@ -11,7 +11,7 @@ all: init build data
 .PHONY: init build data test clean
 
 init:
-	$(py) -m pip install pyinstaller pytest
+	$(py) -m pip install PyInstaller==3.6 pytest==5.4.3
 	$(py) -m pip install -r requirements.txt
 
 build:
diff --git a/gui.py b/gui.py
index f45e80b..8eb54b9 100644
--- a/gui.py
+++ b/gui.py
@@ -10,13 +10,12 @@
 from threading import Thread, Lock
 
 # Pygame sends a stdout message
-actual_stdout = sys.stdout
 with io.StringIO() as sys.stdout:
     import cpuinfo
     import pygame
     import pygame.gfxdraw
     import pygame_gui
-sys.stdout = actual_stdout
+sys.stdout = sys.__stdout__
 
 import lib
 from core import Database
diff --git a/lib/enginelib.py b/lib/enginelib.py
index c85289e..8b1b788 100644
--- a/lib/enginelib.py
+++ b/lib/enginelib.py
@@ -129,7 +129,7 @@ def get_config(default_options={}):
     try:
         with open(Path.home() / ".waychess" / "engineoptions.json", 'r') as fin:
             return {
-                k: v for k, v in json.loads(fin.read()).items()
+                k: v for k, v in json.load(fin).items()
                 if k.lower() not in {"ponder", "multipv", "uci_chess960"}
             }
     except FileNotFoundError:
@@ -149,6 +149,14 @@ def configure_engine_options(self):
         path.touch()
         self.stdout("[ENGINE CONFIGURE", webbrowser.open(str(path)))
 
+    def reconfigure_engine(self):
+        try:
+            self.engine.configure(get_config({
+                k: v.default for k, v in self.engine.options.items()
+            }))
+        except Exception as e:
+            self.stderr("[EGNINE RECONFIGURE]", e)
+
     def set_analysis(self):
         self.stdout("Set engine task")
         beg = time.time()
@@ -161,9 +169,7 @@ def set_analysis(self):
                 self.stdout("Failed due to", e)
                 self.exit()
             self.stdout("Loading engine options")
-            self.engine.configure(get_config({
-                k: v.default for k, v in self.engine.options.items()
-            }))
+            self.reconfigure_engine()
         self.is_analysing = True
         self.show_engine = True
         self.analysis_display = GUIAnalysis(self)
@@ -208,6 +214,7 @@ def stop_analysis(self):
     def engine_callback(self):
         try:
             if not self.show_engine:
+                self.reconfigure_engine()
                 self.set_analysis()
             else:
                 self.stop_analysis()