diff --git a/Makefile b/Makefile
index 7514b9a..5f83f43 100644
--- a/Makefile
+++ b/Makefile
@@ -39,13 +39,13 @@ $(MAKEPAGES): make-pages/*.hs make-pages/make-pages.cabal
 	find dist-newstyle -name make-pages -executable -type f \
 	  -exec cp {} $@ \;
 
-$(TMPDIR)/galleries.d: $(DATADIR)/galleries.yaml $(DATADIR) $(MAKEPAGES)
+$(TMPDIR)/galleries.mk: $(DATADIR)/galleries.yaml $(DATADIR) $(MAKEPAGES)
 	echo "[deps]    "$@
 	mkdir -p $(dir $@)
 	$(MAKEPAGES) $(MPFLAGS) depend-gallery $< -o $@ \
 	  -B $(BUILDDIR) -D $(DATADIR) -T $(TMPDIR) -I $(INFONAME)
 
--include $(TMPDIR)/galleries.d
+-include $(TMPDIR)/galleries.mk
 
 .PHONY: clean distclean
 clean:
diff --git a/make-pages/Depend.hs b/make-pages/Depend.hs
index 69d0dee..3ee9438 100644
--- a/make-pages/Depend.hs
+++ b/make-pages/Depend.hs
@@ -53,7 +53,7 @@ dependGallery' (GalleryInfo {title, prefix, filters}) infos' build data_ tmp =
       pages' = unwords pages
       path   = build </> prefix </> "index.html"
       rules  = makeRules prefix filters build data_ tmp
-      inc d  = tmp </> prefix </> takeDirectory d <.> "d"
+      inc d  = tmp </> prefix </> takeDirectory d <.> "mk"
       incs   = if null infos then "" else
         "include " <> fromString (unwords $ map inc files)
       index  = build </> "index.html"
@@ -83,7 +83,7 @@ makeRules prefix filters build data_ tmp = [b|@0
     	mkdir -p $$(dir $$@)
     	$$(MAKEPAGES) $$(MPFLAGS) single "$$<" -o "$$@" $flags
 
-    $@tmpPrefix/%.d: $@data_/%/info.yaml
+    $@tmpPrefix/%.mk: $@data_/%/info.yaml
     	echo "[deps]    "$$@
     	mkdir -p $$(dir $$@)
     	$$(MAKEPAGES) $$(MPFLAGS) depend-single $flags \