diff --git a/image_creator/os_type/windows.py b/image_creator/os_type/windows.py index 35925000fdc56c3b1757539a44909f058e12dab8..994a7b080ac1b76918666d44524459911576f78f 100644 --- a/image_creator/os_type/windows.py +++ b/image_creator/os_type/windows.py @@ -280,7 +280,7 @@ class Windows(OSBase): txt = "System preparation parameter: `%s' is needed but missing!" for name, param in self.needed_sysprep_params.items(): if name not in self.sysprep_params: - raise FatalError(txt % param) + raise FatalError(txt % name) self.mount(readonly=False) try: