diff --git a/docs/Makefile b/docs/Makefile
index 0d0963f3..b2d863cd 100644
--- a/docs/Makefile
+++ b/docs/Makefile
@@ -138,9 +138,9 @@ lto-barcode/lto-barcode-generator.js: ${LTO_BARCODE_JS_SOURCE}
 	mv $@.tmp $@
 
 .PHONY: html
-html: ${GENERATED_SYNOPSIS} images/proxmox-logo.svg custom.css conf.py ${PRUNE_SIMULATOR_FILES} ${LTO_BARCODE_FILES} ${API_VIEWER_SOURCES}
+html: ${GENERATED_SYNOPSIS} images/proxmox-logo.svg _static/custom.css conf.py ${PRUNE_SIMULATOR_FILES} ${LTO_BARCODE_FILES} ${API_VIEWER_SOURCES}
 	$(SPHINXBUILD) -b html $(ALLSPHINXOPTS) $(BUILDDIR)/html
-	install -m 0644 custom.js custom.css images/proxmox-logo.svg $(BUILDDIR)/html/_static/
+	install -m 0644 _static/custom.js _static/custom.css images/proxmox-logo.svg $(BUILDDIR)/html/_static/
 	install -dm 0755 $(BUILDDIR)/html/prune-simulator
 	install -m 0644 ${PRUNE_SIMULATOR_FILES} $(BUILDDIR)/html/prune-simulator
 	install -dm 0755 $(BUILDDIR)/html/lto-barcode
diff --git a/docs/custom.css b/docs/_static/custom.css
similarity index 100%
rename from docs/custom.css
rename to docs/_static/custom.css
diff --git a/docs/custom.js b/docs/_static/custom.js
similarity index 100%
rename from docs/custom.js
rename to docs/_static/custom.js