diff --git a/python_appimage/__init__.py b/python_appimage/__init__.py
index 8f3317a..b5418da 100644
--- a/python_appimage/__init__.py
+++ b/python_appimage/__init__.py
@@ -2,4 +2,4 @@ import platform
 
 
 if platform.system() != 'Linux':
-    raise RuntimeError('invalid system: ' + plateform.system())
+    raise RuntimeError('invalid system: ' + platform.system())