 
 					if options.emulated and platformNeedsQemu()
 						buildThroughStream = transpose.getBuildThroughStream
-							hostQemuPath: qemuPath
+							hostQemuPath: toPosixPath(qemuPath)
 							containerQemuPath: "/tmp/#{QEMU_BIN_NAME}"
 
 						newStream = stream.pipe(buildThroughStream)

	.then ->
		fs.chmod(binPath, '755')
	.return(binPath)

						# if we need emulation
						if options.emulated and platformNeedsQemu()
							return transpose.transposeTarStream buildStream,
								hostQemuPath: toPosixPath(qemuPath)
								containerQemuPath: "/tmp/#{QEMU_BIN_NAME}"
						else
							return buildStream
