diff --git a/konawall/environments/darwin.py b/konawall/environments/darwin.py
index 2d7471c..a6ee87b 100644
--- a/konawall/environments/darwin.py
+++ b/konawall/environments/darwin.py
@@ -10,5 +10,5 @@ This sets wallpapers on Darwin.
 def set_wallpapers(files: list, displays: list):
     for i, file in enumerate(files):
         # Run osascript to set the wallpaper for each monitor
-        command = f'tell application "System Events" to set picture of desktop {i} to "{file}"'
+        command = f'tell application "System Events" to set picture of desktop {i-1} to "{file}"'
         subprocess.run(["osascript", "-e", command])
\ No newline at end of file
diff --git a/pyproject.toml b/pyproject.toml
index 5b5e2a8..a8c373f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -12,7 +12,7 @@ packages = [
 ]
 
 [tool.poetry.scripts]
-gui = "konawall.gui"
+gui = "konawall.gui:main"
 
 [tool.poetry.dependencies]
 python = "^3.11"