diff --git a/Makefile b/Makefile
index 034df9eaf..89798d24d 100644
--- a/Makefile
+++ b/Makefile
@@ -71,11 +71,10 @@ material%/.:
 # -----------------------------------------------------------------------------
 
 # Web font specimen
-FONTS_SPECIMEN = $(subst src,material,$(wildcard src/assets/fonts/specimen/*))
-material/assets/fonts/specimen: ${FONTS_SPECIMEN}
-material/assets/fonts/specimen/%: src/assets/fonts/specimen/% | $$(@D)/.
+FONTS_SPECIMEN = src/assets/fonts/specimen
+material/assets/fonts/specimen: ${FONTS_SPECIMEN} | $$(@D)/.
 	@ echo "+ $@"
-	@ cp $< $@
+	@ cp -r $< $@
 
 # Web fonts
 FONTS = $(subst src,material,$(wildcard src/assets/fonts/*.css))