diff --git a/archinstall/lib/disk/device_handler.py b/archinstall/lib/disk/device_handler.py
index 88e08653e8..7f582095cd 100644
--- a/archinstall/lib/disk/device_handler.py
+++ b/archinstall/lib/disk/device_handler.py
@@ -617,7 +617,11 @@ def _wipe(self, dev_path: Path) -> None:
 		@type dev_path:		str
 		"""
 		with open(dev_path, 'wb') as p:
-			p.write(bytearray(1024))
+			# Never write past the end of the device: ChromeOS GPT layouts contain
+			# 512-byte partitions, and a 1024-byte write to them fails with ENOSPC.
+			size = p.seek(0, os.SEEK_END)
+			p.seek(0)
+			p.write(bytearray(min(1024, size)))
 
 	def wipe_dev(self, block_device: BDevice) -> None:
 		"""