diff --git a/wvguesser/main.py b/wvguesser/main.py
index 9e8cc74..057a692 100644
--- a/wvguesser/main.py
+++ b/wvguesser/main.py
@@ -20,9 +20,15 @@
 # excepted_j = list(range(8))
 
 if platform.system() == 'Windows':
-    MAIN_EXE = (Path(sys.argv[0]).parent / 'main.exe').resolve().as_posix()
+    MAIN_EXE = (Path(sys.argv[0]).parent / 'main.exe')
+    if MAIN_EXE.exists() is False:
+        MAIN_EXE = (Path('.').parent / 'main.exe')
+    MAIN_EXE = MAIN_EXE.resolve().as_posix()
 else:
-    MAIN_EXE = (Path(sys.argv[0]).parent / 'main').resolve().as_posix()
+    MAIN_EXE = (Path(sys.argv[0]).parent / 'main')
+    if MAIN_EXE.exists() is False:
+        MAIN_EXE = (Path('.').parent / 'main')
+    MAIN_EXE = MAIN_EXE.resolve().as_posix()
 
 
 def server_setup():