diff --git a/scripts/Makefile b/scripts/Makefile
index 242e3a0..68c998e 100644
--- a/scripts/Makefile
+++ b/scripts/Makefile
@@ -9,7 +9,7 @@
 
 # These targets are used internally to avoid "is up to date" messages
 PHONY += build_docproc
-build_docproc: scripts/docproc
+build_docproc: $(obj)/docproc
 	@:
 
 # Let clean descend into subdirs