diff --git a/Makefile.am b/Makefile.am
index 1f4bb9b8c..bf9c1ba64 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -37,7 +37,7 @@ grub_script.yy.c: grub_script.yy.h
 CLEANFILES += grub_script.yy.c grub_script.yy.h
 
 # For libgrub.a
-libgrub.pp: grub_script.tab.h grub_script.yy.h $(libgrubmods_a_SOURCES) $(libgrubkern_a_SOURCES)
+libgrub.pp: config-util.h grub_script.tab.h grub_script.yy.h $(libgrubmods_a_SOURCES) $(libgrubkern_a_SOURCES)
 	$(CPP) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libgrubmods_a_CPPFLAGS) $(libgrubkern_a_CPPFLAGS) $(CPPFLAGS) \
 	  -D'GRUB_MOD_INIT(x)=@MARKER@x@' $^ > $@ || (rm -f $@; exit 1)
 CLEANFILES += libgrub.pp