diff --git a/Makefile b/Makefile
index 77719b6..770dfa3 100644
--- a/Makefile
+++ b/Makefile
@@ -22,7 +22,7 @@ buildall: images build
 $(GENERATED_IMAGES_DIR)/%.png : images/svg/%.svg
 	@echo build $@
 	#mkdir -p $(GENERATED_IMAGES_DIR)
-	inkscape --export-type=png -o $@ $<
+	inkscape --export-type=png --export-dpi=300 -o $@ $<
 
 echo:
 	@echo "svg files: $(svgfiles)"