diff --git a/nsis/openconnect-gui.nsis b/nsis/openconnect-gui.nsis
index 0c22c0ba..0e76128b 100644
--- a/nsis/openconnect-gui.nsis
+++ b/nsis/openconnect-gui.nsis
@@ -158,7 +158,7 @@ function un.onInit
 	SetShellVarContext all
  
 	#Verify the uninstaller - last chance to back out
-	MessageBox MB_OKCANCEL "Permanantly remove ${APPNAME}?" IDOK next
+	MessageBox MB_OKCANCEL "Permanently remove ${APPNAME}?" IDOK next
 		Abort
 	next:
 	!insertmacro VerifyUserIsAdmin