diff --git a/expat/build.sh b/expat/build.sh
index 420bea7f5..98ec6ac3e 100755
--- a/expat/build.sh
+++ b/expat/build.sh
@@ -1,7 +1,7 @@
 #!/bin/bash -ex
 . /env
 
-cd /src/expat
+cd /src/expat/expat
 
 ./buildconf.sh
 ./configure