diff --git a/hw/xprint/etc/init.d/Makefile.am b/hw/xprint/etc/init.d/Makefile.am
index dfe801240..0cf1adc92 100644
--- a/hw/xprint/etc/init.d/Makefile.am
+++ b/hw/xprint/etc/init.d/Makefile.am
@@ -7,6 +7,6 @@ CLEANFILES = $(noinst_PRE) xprint.pre
 CPP_FILES_FLAGS = -DProjectRoot='"$(PROJECTROOT)"' -DOS_LINUX
 
 xprint.pre: xprint.cpp
-	$(SED) -e 's/^\(\s\+\)#/\1XCOMM/' $< > $@
+	$(SED) -e 's/^\(\s\+\)#/\1XCOMM/' ${srcdir}/xprint.cpp > $@
 
 EXTRA_DIST = xprint.cpp